From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Sat, 11 Jan 2020 21:46:43 +0000 (+0000)
Subject: appendfile: taint-enforce file & directory options
X-Git-Url: https://git.exim.org/users/jgh/exim.git/commitdiff_plain/0d2e392e281e96d9f9f2f3dd438affe3f2563c57?ds=sidebyside

appendfile: taint-enforce file & directory options
testsuite: bless facility
---

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 254ed69cc..bb2ce122c 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -22371,6 +22371,14 @@ If &%file%& or &%directory%& is set for a delivery from a redirection, it is
 used to determine the file or directory name for the delivery. Normally, the
 contents of &$address_file$& are used in some way in the string expansion.
 .endlist
+.new
+.cindex "tainted data" "in filenames"
+.cindex appendfile "tainted data"
+Tainted data may not be used for a file or directory name.
+This means that, for instance, &$local_part$& cannot be used directly
+as a component of a path.  It can however be used as the key for a lookup
+which returns a path (or component).
+.wen
 
 
 .cindex "Sieve filter" "configuring &(appendfile)&"
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 2b5b592c5..27292954a 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -87,6 +87,9 @@ JH/19 Bug 2507: Modules: on handling a dynamic-module (lookups) open failure,
       were used, and the second one (for mainlog/paniclog) retrieved null
       information.
 
+JH/20 Taint checking: disallow use of tainted data for the appendfile transport
+      file and directory options.  Previously this was permitted.
+
 
 Exim version 4.93
 -----------------
diff --git a/src/src/expand.c b/src/src/expand.c
index cec6efd54..fe5384ab8 100644
--- a/src/src/expand.c
+++ b/src/src/expand.c
@@ -213,6 +213,7 @@ static uschar *op_table_main[] = {
   US"base62d",
   US"base64",
   US"base64d",
+  US"bless",
   US"domain",
   US"escape",
   US"escape8bit",
@@ -260,6 +261,7 @@ enum {
   EOP_BASE62D,
   EOP_BASE64,
   EOP_BASE64D,
+  EOP_BLESS,
   EOP_DOMAIN,
   EOP_ESCAPE,
   EOP_ESCAPE8BIT,
@@ -7059,6 +7061,20 @@ while (*s != 0)
         continue;
         }
 
+      case EOP_BLESS:
+	/* This is purely for the convenience of the test harness.  Do not enable
+	it otherwise as it defeats the taint-checking security. */
+
+	if (f.running_in_test_harness)
+	  yield = string_cat(yield, is_tainted(sub)
+				    ? string_copy_taint(sub, FALSE) : sub);
+	else
+	  {
+	  DEBUG(D_expand) debug_printf_indent("bless operator not supported\n");
+	  yield = string_cat(yield, sub);
+	  }
+	continue;
+
       case EOP_EXPAND:
         {
         uschar *expanded = expand_string_internal(sub, FALSE, NULL, skipping, TRUE, &resetok);
diff --git a/src/src/rda.c b/src/src/rda.c
index 5fa3d09b4..201e82d8b 100644
--- a/src/src/rda.c
+++ b/src/src/rda.c
@@ -557,7 +557,8 @@ if (!(data = expand_string(rdata->string)))
   }
 rdata->string = data;
 
-DEBUG(D_route) debug_printf("expanded: '%s'\n", data);
+DEBUG(D_route)
+  debug_printf("expanded: '%s'%s\n", data, is_tainted(data) ? " (tainted)":"");
 
 if (rdata->isfile && data[0] != '/')
   {
diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index d99a17956..de193db44 100644
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -1342,6 +1343,12 @@ if (!(path = expand_string(fdname)))
     expand_string_message);
   goto ret_panic;
   }
+if (is_tainted(path))
+  {
+  addr->message = string_sprintf("Tainted '%s' (file or directory "
+    "name for %s transport) not permitted", path, tblock->name);
+  goto ret_panic;
+  }
 
 if (path[0] != '/')
   {
diff --git a/test/aux-fixed/0297.Filter b/test/aux-fixed/0297.Filter
index e911ce75c..28f090ead 100644
--- a/test/aux-fixed/0297.Filter
+++ b/test/aux-fixed/0297.Filter
@@ -2,4 +2,4 @@
 
 if $sender_address is not fil@ter then finish endif
 
-save ${local_part:$recipients}
+save ${bless:${local_part:$recipients}}
diff --git a/test/confs/0001 b/test/confs/0001
index 4dfd09aea..c8ad6f43f 100644
--- a/test/confs/0001
+++ b/test/confs/0001
@@ -517,7 +517,7 @@ appendfile:
   directory_mode = 0700
   envelope_to_add
   escape_string = xyz
-  file = /home/$local_part/inbox
+  file = /home/${bless:$local_part}/inbox
   file_format = "From : appendfile"
   no_file_must_exist
   group = MAILGROUP
diff --git a/test/confs/0006 b/test/confs/0006
index c01a2fe2e..b83e897ca 100644
--- a/test/confs/0006
+++ b/test/confs/0006
@@ -35,7 +35,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   headers_add = \nMessage Headers:\n$message_headers\n\
                 \nRaw Message Headers:\n$message_headers_raw\n
diff --git a/test/confs/0008 b/test/confs/0008
index 91db09111..396718f98 100644
--- a/test/confs/0008
+++ b/test/confs/0008
@@ -27,7 +27,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 # End
diff --git a/test/confs/0009 b/test/confs/0009
index 422fe3d1d..3ca2feb7a 100644
--- a/test/confs/0009
+++ b/test/confs/0009
@@ -27,7 +27,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 # End
diff --git a/test/confs/0010 b/test/confs/0010
index 39e3fcf88..0216aae14 100644
--- a/test/confs/0010
+++ b/test/confs/0010
@@ -27,7 +27,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0011 b/test/confs/0011
index f8c04763d..e39d59563 100644
--- a/test/confs/0011
+++ b/test/confs/0011
@@ -27,7 +27,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0012 b/test/confs/0012
index b367e8992..76f5bc4ac 100644
--- a/test/confs/0012
+++ b/test/confs/0012
@@ -30,7 +30,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0014 b/test/confs/0014
index 1fdd92d0c..23abbb240 100644
--- a/test/confs/0014
+++ b/test/confs/0014
@@ -94,7 +94,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_suffix =
   user = CALLER
 
diff --git a/test/confs/0015 b/test/confs/0015
index dbbdfd059..8c62e2e08 100644
--- a/test/confs/0015
+++ b/test/confs/0015
@@ -33,7 +33,7 @@ userforward:
   allow_filter
   local_parts = userx
   user = CALLER
-  file = DIR/aux-fixed/0015.filter.$local_part
+  file = DIR/aux-fixed/0015.filter.${bless:$local_part}
   local_part_prefix = *+
   local_part_prefix_optional
   pipe_transport = address_pipe
@@ -80,7 +80,7 @@ local_delivery:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   headers_add = X-local_part: $local_part\n\
                 X-local_part_prefix: $local_part_prefix
@@ -90,7 +90,7 @@ local_delivery_b:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   use_bsmtp
   headers_add = X-local_part: $local_part\n\
diff --git a/test/confs/0016 b/test/confs/0016
index 4260c88be..dcc005f0b 100644
--- a/test/confs/0016
+++ b/test/confs/0016
@@ -17,7 +17,7 @@ userforward:
   allow_filter
   user = CALLER
   local_parts = userx : CALLER
-  file = DIR/aux-fixed/0016.filter.$local_part
+  file = DIR/aux-fixed/0016.filter.${bless:$local_part}
   local_part_suffix = +*
   local_part_suffix_optional
   reply_transport = address_reply
@@ -39,7 +39,7 @@ local_delivery:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 address_reply:
diff --git a/test/confs/0021 b/test/confs/0021
index cb057386e..0150839b4 100644
--- a/test/confs/0021
+++ b/test/confs/0021
@@ -84,7 +84,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0022 b/test/confs/0022
index bd04442aa..2228b2807 100644
--- a/test/confs/0022
+++ b/test/confs/0022
@@ -90,7 +90,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0023 b/test/confs/0023
index 2481976ce..c72c453a2 100644
--- a/test/confs/0023
+++ b/test/confs/0023
@@ -232,7 +232,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0024 b/test/confs/0024
index 3dbbc2c25..30e5636e9 100644
--- a/test/confs/0024
+++ b/test/confs/0024
@@ -77,7 +77,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0025 b/test/confs/0025
index 3ecc5dd68..f2d987e13 100644
--- a/test/confs/0025
+++ b/test/confs/0025
@@ -52,7 +52,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0026 b/test/confs/0026
index 07fa40976..cc0c51c9b 100644
--- a/test/confs/0026
+++ b/test/confs/0026
@@ -54,7 +54,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0027 b/test/confs/0027
index 9c775bd5d..19bdaa0b6 100644
--- a/test/confs/0027
+++ b/test/confs/0027
@@ -70,7 +70,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0028 b/test/confs/0028
index 149d8eda8..caebac0ce 100644
--- a/test/confs/0028
+++ b/test/confs/0028
@@ -54,7 +54,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0031 b/test/confs/0031
index e3f0360fc..8760be578 100644
--- a/test/confs/0031
+++ b/test/confs/0031
@@ -29,7 +29,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 # End
diff --git a/test/confs/0032 b/test/confs/0032
index caf5edb28..644404d24 100644
--- a/test/confs/0032
+++ b/test/confs/0032
@@ -33,7 +33,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 smtp:
diff --git a/test/confs/0036 b/test/confs/0036
index ded64879f..6d02a44cd 100644
--- a/test/confs/0036
+++ b/test/confs/0036
@@ -37,7 +37,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 send_to_server:
diff --git a/test/confs/0037 b/test/confs/0037
index 8ba94ded1..06a38564d 100644
--- a/test/confs/0037
+++ b/test/confs/0037
@@ -85,7 +85,7 @@ appendfile:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0040 b/test/confs/0040
index 35453a0dd..30a3de234 100644
--- a/test/confs/0040
+++ b/test/confs/0040
@@ -27,7 +27,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-interface: $interface_address"
   return_path_add
   user = CALLER
diff --git a/test/confs/0041 b/test/confs/0041
index f7fa61ed8..0d601a892 100644
--- a/test/confs/0041
+++ b/test/confs/0041
@@ -52,7 +52,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0042 b/test/confs/0042
index 14c8a9635..46229f59f 100644
--- a/test/confs/0042
+++ b/test/confs/0042
@@ -38,7 +38,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0043 b/test/confs/0043
index 0bf3547c7..91d58f338 100644
--- a/test/confs/0043
+++ b/test/confs/0043
@@ -56,7 +56,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0044 b/test/confs/0044
index e4db43db0..c13a15817 100644
--- a/test/confs/0044
+++ b/test/confs/0044
@@ -47,7 +47,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0046 b/test/confs/0046
index 9fff3b91b..15e8df80f 100644
--- a/test/confs/0046
+++ b/test/confs/0046
@@ -32,7 +32,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-size: $message_size\n\
                  X-body-size: $message_body_size\n\
                  X-body: $message_body\n\
diff --git a/test/confs/0048 b/test/confs/0048
index 9c2d4428f..d11a120f1 100644
--- a/test/confs/0048
+++ b/test/confs/0048
@@ -42,7 +42,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 address_pipe:
diff --git a/test/confs/0049 b/test/confs/0049
index a00dde1f5..fd2574ea8 100644
--- a/test/confs/0049
+++ b/test/confs/0049
@@ -34,7 +34,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0050 b/test/confs/0050
index 32a822a9b..32c414aa1 100644
--- a/test/confs/0050
+++ b/test/confs/0050
@@ -37,7 +37,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0051 b/test/confs/0051
index 2fde9e557..a14fc3ddc 100644
--- a/test/confs/0051
+++ b/test/confs/0051
@@ -40,7 +40,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0052 b/test/confs/0052
index 2af555cca..426e7ed98 100644
--- a/test/confs/0052
+++ b/test/confs/0052
@@ -33,7 +33,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0053 b/test/confs/0053
index 04263a59f..4d279d0ab 100644
--- a/test/confs/0053
+++ b/test/confs/0053
@@ -32,7 +32,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0055 b/test/confs/0055
index 6cc9b7c18..ed6e60878 100644
--- a/test/confs/0055
+++ b/test/confs/0055
@@ -46,7 +46,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0072 b/test/confs/0072
index 9bb73984d..e1e997b9a 100644
--- a/test/confs/0072
+++ b/test/confs/0072
@@ -53,7 +53,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0073 b/test/confs/0073
index da716efb6..678825673 100644
--- a/test/confs/0073
+++ b/test/confs/0073
@@ -40,7 +40,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 
diff --git a/test/confs/0074 b/test/confs/0074
index 3102206b0..20227d416 100644
--- a/test/confs/0074
+++ b/test/confs/0074
@@ -41,7 +41,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0075 b/test/confs/0075
index 8b8c77ca6..b07ffbdfd 100644
--- a/test/confs/0075
+++ b/test/confs/0075
@@ -26,7 +26,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/subdir/$local_part
+  file = DIR/test-mail/subdir/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0076 b/test/confs/0076
index 1415280f9..8e9c08f80 100644
--- a/test/confs/0076
+++ b/test/confs/0076
@@ -27,7 +27,7 @@ local_delivery:
   no_create_directory
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/subdir/$local_part
+  file = DIR/test-mail/subdir/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0079 b/test/confs/0079
index 25ef65879..a7a412ffa 100644
--- a/test/confs/0079
+++ b/test/confs/0079
@@ -69,7 +69,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0080 b/test/confs/0080
index fbe026c26..a0f578f61 100644
--- a/test/confs/0080
+++ b/test/confs/0080
@@ -50,7 +50,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0081 b/test/confs/0081
index f403728c3..2e020e01d 100644
--- a/test/confs/0081
+++ b/test/confs/0081
@@ -28,7 +28,7 @@ local_delivery:
   debug_print = ">$h_X-one:<\n"
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0082 b/test/confs/0082
index 29ff8d15c..fca3e7b0d 100644
--- a/test/confs/0082
+++ b/test/confs/0082
@@ -26,7 +26,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "Proto: $received_protocol"
   return_path_add
   user = CALLER
diff --git a/test/confs/0083 b/test/confs/0083
index fcae1f5d1..4ab79fce4 100644
--- a/test/confs/0083
+++ b/test/confs/0083
@@ -26,7 +26,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "Proto: $received_protocol"
   return_path_add
   user = CALLER
diff --git a/test/confs/0084 b/test/confs/0084
index 94e386e02..bbee05f04 100644
--- a/test/confs/0084
+++ b/test/confs/0084
@@ -20,7 +20,7 @@ smart:
 
 forward:
   driver = redirect
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   redirect_router = localuser
   require_files = DIR/aux-fixed/TESTNUM.$local_part
   retry_use_local_part
diff --git a/test/confs/0090 b/test/confs/0090
index 907d27544..f5dc6f291 100644
--- a/test/confs/0090
+++ b/test/confs/0090
@@ -30,7 +30,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 respond:
diff --git a/test/confs/0094 b/test/confs/0094
index 04c9d8078..07698b5c0 100644
--- a/test/confs/0094
+++ b/test/confs/0094
@@ -42,7 +42,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = host_lookup_failed: $host_lookup_failed\n\
                 host_lookup_deferred: $host_lookup_deferred
   user = CALLER
diff --git a/test/confs/0095 b/test/confs/0095
index c20b06d7c..b1201f870 100644
--- a/test/confs/0095
+++ b/test/confs/0095
@@ -39,7 +39,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = $h_quota
   quota_warn_threshold = $h_threshold
   QWM
@@ -47,14 +47,14 @@ appendfile:
 
 appendfile2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = $h_quota
   quota_warn_threshold = $h_threshold
   user = CALLER
 
 appendfile3:
   driver = appendfile
-  file = DIR/test-mail/$local_part${if eq{$sender_address}{}{.bounce}}
+  file = DIR/test-mail/${bless:$local_part}${if eq{$sender_address}{}{.bounce}}
   quota_warn_threshold = $h_threshold
   user = CALLER
   headers_add = X:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
diff --git a/test/confs/0096 b/test/confs/0096
index ff5f5cebc..1eb519417 100644
--- a/test/confs/0096
+++ b/test/confs/0096
@@ -29,7 +29,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0097 b/test/confs/0097
index 0841952bf..495349d3f 100644
--- a/test/confs/0097
+++ b/test/confs/0097
@@ -29,7 +29,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "${if def:h_tadd: {Added: by transport}}"
   headers_remove = "${if def::h_tadd:: {tadd}}"
   return_path_add
diff --git a/test/confs/0098 b/test/confs/0098
index cce115f12..e16b25eaa 100644
--- a/test/confs/0098
+++ b/test/confs/0098
@@ -84,7 +84,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0100 b/test/confs/0100
index 143ff4cfe..afe04a4c1 100644
--- a/test/confs/0100
+++ b/test/confs/0100
@@ -84,7 +84,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   current_directory = /
   user = CALLER
@@ -93,7 +93,7 @@ hackfree_local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   check_string =
   return_path_add
   user = CALLER
@@ -105,7 +105,7 @@ bsmtp_local_delivery:
   use_bsmtp
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
   current_directory = /
@@ -116,7 +116,7 @@ bsmtp_local_delivery_filtered:
   use_bsmtp
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   transport_filter = /bin/sh -c "echo 'X-Filtered: just checking'; cat"
   user = CALLER
@@ -136,7 +136,7 @@ filtered_local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   transport_filter = /bin/sh -c "echo 'X-Filtered: just checking'; cat"
   current_directory = /
@@ -146,7 +146,7 @@ mmdf_local_delivery:
   driver = appendfile
   check_string = "\1\1\1\1\n"
   escape_string = "\1\1\1\1 \n"
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_prefix = "\1\1\1\1\n"
   message_suffix = "\1\1\1\1\n"
   user = CALLER
diff --git a/test/confs/0102 b/test/confs/0102
index 2497fd032..30b1496ac 100644
--- a/test/confs/0102
+++ b/test/confs/0102
@@ -38,7 +38,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   file_format = "From       : local_delivery :\
                  MAIL       : bsmtp_local_delivery :\
                  \1\1\1\1\n : mmdf_local_delivery :\
@@ -52,7 +52,7 @@ bsmtp_local_delivery:
   use_bsmtp
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
@@ -60,7 +60,7 @@ mmdf_local_delivery:
   driver = appendfile
   check_string = "\1\1\1\1\n"
   escape_string = "\1\1\1\1 \n"
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_prefix = "\1\1\1\1\n"
   message_suffix = "\1\1\1\1\n"
   user = CALLER
diff --git a/test/confs/0103 b/test/confs/0103
index 9a136c7bc..547109ab5 100644
--- a/test/confs/0103
+++ b/test/confs/0103
@@ -53,7 +53,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0104 b/test/confs/0104
index de0889adb..3cbebc856 100644
--- a/test/confs/0104
+++ b/test/confs/0104
@@ -44,7 +44,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0105 b/test/confs/0105
index 1b954f460..851f12cc1 100644
--- a/test/confs/0105
+++ b/test/confs/0105
@@ -42,7 +42,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0107 b/test/confs/0107
index 9bbb7e7a3..5f6a80e87 100644
--- a/test/confs/0107
+++ b/test/confs/0107
@@ -28,7 +28,7 @@ appendfile:
   create_file = belowhome
   file = ${lookup{$local_part}lsearch{DIR/aux-fixed/TESTNUM.filelist}\
          {${if match{$value}{^/}{}{DIR/}}$value}\
-         {DIR/test-mail/$local_part}}
+         {DIR/test-mail/${bless:$local_part}}}
   user = CALLER
 
 # ----- Retry -----
diff --git a/test/confs/0110 b/test/confs/0110
index 361c12fb4..e4716f625 100644
--- a/test/confs/0110
+++ b/test/confs/0110
@@ -44,7 +44,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0111 b/test/confs/0111
index 61fc9a887..3b4386b70 100644
--- a/test/confs/0111
+++ b/test/confs/0111
@@ -43,7 +43,7 @@ begin transports
 appendfile:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0113 b/test/confs/0113
index 1fd61009f..2c0c573a3 100644
--- a/test/confs/0113
+++ b/test/confs/0113
@@ -45,7 +45,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0116 b/test/confs/0116
index 313d32c63..6916642e1 100644
--- a/test/confs/0116
+++ b/test/confs/0116
@@ -51,7 +51,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = Added: $address_data
 
diff --git a/test/confs/0118 b/test/confs/0118
index cf8838f32..1f741cc0a 100644
--- a/test/confs/0118
+++ b/test/confs/0118
@@ -41,7 +41,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0121 b/test/confs/0121
index ca2d338a1..550971e40 100644
--- a/test/confs/0121
+++ b/test/confs/0121
@@ -59,7 +59,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0127 b/test/confs/0127
index 1906bb430..83dd03198 100644
--- a/test/confs/0127
+++ b/test/confs/0127
@@ -37,7 +37,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0128 b/test/confs/0128
index 9acfb5e9d..e4f78dca2 100644
--- a/test/confs/0128
+++ b/test/confs/0128
@@ -41,7 +41,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0131 b/test/confs/0131
index c55813e77..c3df9a89e 100644
--- a/test/confs/0131
+++ b/test/confs/0131
@@ -25,7 +25,7 @@ forward:
   driver = redirect
   allow_filter
   no_check_local_user
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   retry_use_local_part
   user = CALLER
   address_data = $address_data-forward
@@ -43,7 +43,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = Address-Data: >$address_data<
 
diff --git a/test/confs/0133 b/test/confs/0133
index bc4e6283f..2c9cdb88e 100644
--- a/test/confs/0133
+++ b/test/confs/0133
@@ -42,7 +42,7 @@ begin transports
 appendfile:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0135 b/test/confs/0135
index 7fd5bdaa5..1318e025c 100644
--- a/test/confs/0135
+++ b/test/confs/0135
@@ -49,7 +49,7 @@ smtp:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = 20
   user = CALLER
 
diff --git a/test/confs/0136 b/test/confs/0136
index efc73c58d..acc1003c9 100644
--- a/test/confs/0136
+++ b/test/confs/0136
@@ -63,7 +63,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0137 b/test/confs/0137
index 7c48d6234..faab263aa 100644
--- a/test/confs/0137
+++ b/test/confs/0137
@@ -30,14 +30,14 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   lock_interval = 1s
   lock_retries = 2
   user = CALLER
 
 local_delivery_fcntl:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   lock_interval = 1s
   lock_retries = 2
   no_use_lockfile
@@ -45,7 +45,7 @@ local_delivery_fcntl:
 
 local_delivery_fcntl_blocking:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   lock_fcntl_timeout = 2s
   lock_interval = 1s
   lock_retries = 2
diff --git a/test/confs/0138 b/test/confs/0138
index 66539d6b0..01bdfaa62 100644
--- a/test/confs/0138
+++ b/test/confs/0138
@@ -54,7 +54,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0139 b/test/confs/0139
index eb3990c72..13a90df0a 100644
--- a/test/confs/0139
+++ b/test/confs/0139
@@ -80,7 +80,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0140 b/test/confs/0140
index 02567153c..5661c5df4 100644
--- a/test/confs/0140
+++ b/test/confs/0140
@@ -45,7 +45,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0142 b/test/confs/0142
index 748e76b8b..716ad5fa7 100644
--- a/test/confs/0142
+++ b/test/confs/0142
@@ -43,12 +43,12 @@ pipe:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 filtered_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   transport_filter = DIR/bin/fd -f
   user = CALLER
 
diff --git a/test/confs/0149 b/test/confs/0149
index 60c742acf..8527d30fa 100644
--- a/test/confs/0149
+++ b/test/confs/0149
@@ -40,7 +40,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0150 b/test/confs/0150
index dd421a125..256080a50 100644
--- a/test/confs/0150
+++ b/test/confs/0150
@@ -25,7 +25,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0151 b/test/confs/0151
index d5d178654..0baf3450d 100644
--- a/test/confs/0151
+++ b/test/confs/0151
@@ -26,7 +26,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0152 b/test/confs/0152
index 7671d52ed..5d50c9f31 100644
--- a/test/confs/0152
+++ b/test/confs/0152
@@ -28,7 +28,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0153 b/test/confs/0153
index c16f88fe9..69e02ebcf 100644
--- a/test/confs/0153
+++ b/test/confs/0153
@@ -22,7 +22,7 @@ virtual:
 list:
   driver = redirect
   domains = list.test.ex
-  file = ${if exists{DIR/aux-fixed/TESTNUM.list.$local_part} \
+  file = ${if exists{DIR/aux-fixed/TESTNUM.list.${bless:$local_part}} \
             {DIR/aux-fixed/TESTNUM.list.$local_part}fail}
   no_more
 
diff --git a/test/confs/0156 b/test/confs/0156
index d1faa7514..79dcde236 100644
--- a/test/confs/0156
+++ b/test/confs/0156
@@ -30,7 +30,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0158 b/test/confs/0158
index ccd261e56..8a5c00e07 100644
--- a/test/confs/0158
+++ b/test/confs/0158
@@ -28,7 +28,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = $local_part
 
diff --git a/test/confs/0159 b/test/confs/0159
index e648d9304..7fcaf6063 100644
--- a/test/confs/0159
+++ b/test/confs/0159
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0164 b/test/confs/0164
index 6d94efdfd..d80f383f5 100644
--- a/test/confs/0164
+++ b/test/confs/0164
@@ -29,7 +29,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_pipe:
diff --git a/test/confs/0165 b/test/confs/0165
index 03e9a825e..48fe63bf1 100644
--- a/test/confs/0165
+++ b/test/confs/0165
@@ -29,7 +29,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_pipe:
diff --git a/test/confs/0166 b/test/confs/0166
index 93489dc56..3158ac502 100644
--- a/test/confs/0166
+++ b/test/confs/0166
@@ -37,7 +37,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = X-tpt-hdr: 1
   headers_add = ${if bool{false} {X-tpt-hdr: 2}}
diff --git a/test/confs/0167 b/test/confs/0167
index a65b9ed65..a3e045f21 100644
--- a/test/confs/0167
+++ b/test/confs/0167
@@ -35,7 +35,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path = ${if eq{$return_path}{trakill@test.ex}{}fail}
   return_path_add
   user = CALLER
diff --git a/test/confs/0169 b/test/confs/0169
index beafec56d..ec8bf7957 100644
--- a/test/confs/0169
+++ b/test/confs/0169
@@ -23,7 +23,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = $h_quota
   quota_warn_threshold = $h_threshold
   user = CALLER
diff --git a/test/confs/0171 b/test/confs/0171
index fe4fc2c15..345a1813c 100644
--- a/test/confs/0171
+++ b/test/confs/0171
@@ -24,7 +24,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = home: HOME=$home
   user = CALLER
 
diff --git a/test/confs/0172 b/test/confs/0172
index 9dcc42f81..7b335183e 100644
--- a/test/confs/0172
+++ b/test/confs/0172
@@ -28,7 +28,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0173 b/test/confs/0173
index bfddc71e8..dfe894ef8 100644
--- a/test/confs/0173
+++ b/test/confs/0173
@@ -29,7 +29,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 pipe:
diff --git a/test/confs/0174 b/test/confs/0174
index 32a3bde5d..5498e2bee 100644
--- a/test/confs/0174
+++ b/test/confs/0174
@@ -52,7 +52,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 pipe:
diff --git a/test/confs/0175 b/test/confs/0175
index 461c265ba..3f2cc8c96 100644
--- a/test/confs/0175
+++ b/test/confs/0175
@@ -62,7 +62,7 @@ smtp:
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0176 b/test/confs/0176
index 81d0b5ddf..d5c86caa5 100644
--- a/test/confs/0176
+++ b/test/confs/0176
@@ -26,7 +26,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0177 b/test/confs/0177
index 0b78d4e0c..ff780c145 100644
--- a/test/confs/0177
+++ b/test/confs/0177
@@ -65,7 +65,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 autoreply:
diff --git a/test/confs/0178 b/test/confs/0178
index bdabf6afa..2554e0a6c 100644
--- a/test/confs/0178
+++ b/test/confs/0178
@@ -26,7 +26,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0182 b/test/confs/0182
index 17d60789c..c23722a3b 100644
--- a/test/confs/0182
+++ b/test/confs/0182
@@ -34,7 +34,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0185 b/test/confs/0185
index d9d20fc93..b8bf04d29 100644
--- a/test/confs/0185
+++ b/test/confs/0185
@@ -62,7 +62,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 autoreply:
diff --git a/test/confs/0189 b/test/confs/0189
index 5d12465b3..4d63ddf84 100644
--- a/test/confs/0189
+++ b/test/confs/0189
@@ -25,7 +25,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0192 b/test/confs/0192
index d7bd3c1b1..e19bd003e 100644
--- a/test/confs/0192
+++ b/test/confs/0192
@@ -23,7 +23,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = 500
   no_quota_is_inclusive
   user = CALLER
diff --git a/test/confs/0193 b/test/confs/0193
index 4dbb06679..483d05062 100644
--- a/test/confs/0193
+++ b/test/confs/0193
@@ -34,7 +34,7 @@ local_delivery:
   driver = appendfile
   batch_max = 100
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_size_limit = 50
   user = CALLER
 
diff --git a/test/confs/0194 b/test/confs/0194
index d813d9290..abeaafcf1 100644
--- a/test/confs/0194
+++ b/test/confs/0194
@@ -31,7 +31,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 pipe:
diff --git a/test/confs/0195 b/test/confs/0195
index 2d51bebfa..16032445b 100644
--- a/test/confs/0195
+++ b/test/confs/0195
@@ -38,7 +38,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0196 b/test/confs/0196
index 38a839144..690996916 100644
--- a/test/confs/0196
+++ b/test/confs/0196
@@ -41,7 +41,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0202 b/test/confs/0202
index dc68127ae..92a2dce66 100644
--- a/test/confs/0202
+++ b/test/confs/0202
@@ -31,7 +31,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0204 b/test/confs/0204
index 138dbe0a1..688e0e98b 100644
--- a/test/confs/0204
+++ b/test/confs/0204
@@ -25,7 +25,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0205 b/test/confs/0205
index 069e85033..abc93e7ff 100644
--- a/test/confs/0205
+++ b/test/confs/0205
@@ -42,7 +42,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = Address-Data: >$address_data<
 
diff --git a/test/confs/0210 b/test/confs/0210
index 298ad7279..3e5661ccb 100644
--- a/test/confs/0210
+++ b/test/confs/0210
@@ -44,7 +44,7 @@ bsmtp_local_delivery:
   message_prefix = "HELO x.y.z\n"
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0211 b/test/confs/0211
index b1dae707c..f68b036be 100644
--- a/test/confs/0211
+++ b/test/confs/0211
@@ -57,7 +57,7 @@ smtp:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0212 b/test/confs/0212
index 39db8c800..8b8d74404 100644
--- a/test/confs/0212
+++ b/test/confs/0212
@@ -58,7 +58,7 @@ alias:
 forward:
   driver = redirect
   no_check_local_user
-  file = DIR/aux-fixed/TESTNUM.$local_part.forward
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}.forward
   retry_use_local_part
 
 all:
@@ -73,7 +73,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0220 b/test/confs/0220
index 36cf87223..8e5af4e58 100644
--- a/test/confs/0220
+++ b/test/confs/0220
@@ -26,7 +26,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0221 b/test/confs/0221
index f7855a678..4ac979c0d 100644
--- a/test/confs/0221
+++ b/test/confs/0221
@@ -26,7 +26,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0222 b/test/confs/0222
index 8f4a5b688..91f74538a 100644
--- a/test/confs/0222
+++ b/test/confs/0222
@@ -32,7 +32,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 autoreply:
diff --git a/test/confs/0223 b/test/confs/0223
index e42df517e..56476a3d5 100644
--- a/test/confs/0223
+++ b/test/confs/0223
@@ -42,7 +42,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0224 b/test/confs/0224
index d1c425b47..ff77339c7 100644
--- a/test/confs/0224
+++ b/test/confs/0224
@@ -45,7 +45,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0225 b/test/confs/0225
index 0ed97b4ef..a778c2f6a 100644
--- a/test/confs/0225
+++ b/test/confs/0225
@@ -44,7 +44,7 @@ smtp:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0226 b/test/confs/0226
index 0b6eeff74..f5be03e9d 100644
--- a/test/confs/0226
+++ b/test/confs/0226
@@ -34,7 +34,7 @@ allowed:
   driver = redirect
   allow_defer
   caseful_local_part
-  data = $local_part
+  data = ${bless:$local_part}
   file_transport = address_file
   pipe_transport = address_pipe
   retry_use_local_part
@@ -47,7 +47,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_file:
diff --git a/test/confs/0230 b/test/confs/0230
index f77f52f69..08a67228e 100644
--- a/test/confs/0230
+++ b/test/confs/0230
@@ -57,7 +57,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = Port: $sender_host_port
   user = CALLER
 
diff --git a/test/confs/0231 b/test/confs/0231
index 1eabae91a..67f21c0e1 100644
--- a/test/confs/0231
+++ b/test/confs/0231
@@ -51,13 +51,13 @@ begin transports
 
 local_delivery_rewrite:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_rewrite = a@test.ex a-rewrite@test.ex
   user = CALLER
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 smtp_rewrite:
diff --git a/test/confs/0232 b/test/confs/0232
index 59e1ae918..11e4523ea 100644
--- a/test/confs/0232
+++ b/test/confs/0232
@@ -39,7 +39,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0233 b/test/confs/0233
index 77dcca3b2..054ab7d67 100644
--- a/test/confs/0233
+++ b/test/confs/0233
@@ -39,7 +39,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_reply:
diff --git a/test/confs/0237 b/test/confs/0237
index be2f5abd2..8939dc75e 100644
--- a/test/confs/0237
+++ b/test/confs/0237
@@ -35,7 +35,7 @@ allowed:
   driver = redirect
   allow_defer
   caseful_local_part
-  data = $local_part
+  data = ${bless:$local_part}
   file_transport = address_file
   hide_child_in_errmsg
   pipe_transport = address_pipe
@@ -49,7 +49,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_file:
diff --git a/test/confs/0240 b/test/confs/0240
index bb4519ef8..62a192321 100644
--- a/test/confs/0240
+++ b/test/confs/0240
@@ -90,7 +90,7 @@ begin transports
 local:
   driver = appendfile
   directory_mode = 3777
-  file = DIR/test-mail/subdir/$local_part
+  file = DIR/test-mail/subdir/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0241 b/test/confs/0241
index 644ed6b1f..944c517ea 100644
--- a/test/confs/0241
+++ b/test/confs/0241
@@ -37,7 +37,7 @@ begin transports
 
 local:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_reply:
diff --git a/test/confs/0243 b/test/confs/0243
index 7396045ba..5a2f50136 100644
--- a/test/confs/0243
+++ b/test/confs/0243
@@ -59,7 +59,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_file:
diff --git a/test/confs/0246 b/test/confs/0246
index fb959527d..fe62bfddf 100644
--- a/test/confs/0246
+++ b/test/confs/0246
@@ -35,7 +35,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0253 b/test/confs/0253
index 40ede04ea..5713106ac 100644
--- a/test/confs/0253
+++ b/test/confs/0253
@@ -42,7 +42,7 @@ begin transports
 
 t0:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t1:
diff --git a/test/confs/0256 b/test/confs/0256
index c5d5d4b4e..e48c69648 100644
--- a/test/confs/0256
+++ b/test/confs/0256
@@ -30,7 +30,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0258 b/test/confs/0258
index 720cc4073..25de1af29 100644
--- a/test/confs/0258
+++ b/test/confs/0258
@@ -24,7 +24,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0260 b/test/confs/0260
index 6366cd0ad..257ea82da 100644
--- a/test/confs/0260
+++ b/test/confs/0260
@@ -14,7 +14,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 bad_return:
@@ -30,7 +30,7 @@ bad_uid:
 
 exp_fail:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   home_directory = ${if rhubarb
 
diff --git a/test/confs/0264 b/test/confs/0264
index 7c0a066e9..9e16d1db6 100644
--- a/test/confs/0264
+++ b/test/confs/0264
@@ -15,7 +15,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
   quota = ${if eq{$local_part}{userx}{3}{10000}}
@@ -24,7 +24,7 @@ local_delivery:
 local_delivery2:
   driver = appendfile
   retry_use_local_part = false
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   quota = 3
   current_directory = /
diff --git a/test/confs/0266 b/test/confs/0266
index d1e944dc2..42ea1b1f6 100644
--- a/test/confs/0266
+++ b/test/confs/0266
@@ -15,7 +15,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   envelope_to_add
   return_path_add
@@ -29,14 +29,14 @@ r1:
   skip_syntax_errors
   local_parts = ^list
   syntax_errors_to = postmaster@test.ex
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
 
 r1a:
   driver = redirect
   skip_syntax_errors
   local_parts = ^nmlist
   syntax_errors_to = postmaster@test.ex
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   no_more
 
 r2:
@@ -46,7 +46,7 @@ r2:
   syntax_errors_to = postmaster@test.ex
   syntax_errors_text = "There's an error in your filter file.\n\
                         The file has been ignored."
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   allow_filter
   router_home_directory = DIR
   user = CALLER
diff --git a/test/confs/0267 b/test/confs/0267
index bb134441b..e99d29f71 100644
--- a/test/confs/0267
+++ b/test/confs/0267
@@ -14,7 +14,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/0270 b/test/confs/0270
index 86f81d837..e09ff0e76 100644
--- a/test/confs/0270
+++ b/test/confs/0270
@@ -15,7 +15,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   envelope_to_add
   return_path_add
@@ -29,14 +29,14 @@ r1:
   skip_syntax_errors
   local_parts = ^list
   syntax_errors_to = postmaster@test.ex
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
 
 r1a:
   driver = redirect
   skip_syntax_errors
   local_parts = ^nmlist
   syntax_errors_to = postmaster@test.ex
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   no_more
 
 r2:
@@ -46,7 +46,7 @@ r2:
   syntax_errors_to = postmaster@test.ex
   syntax_errors_text = "There's an error in your filter file.\n\
                         The file has been ignored."
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
   allow_filter
   router_home_directory = DIR/
   user = CALLER
diff --git a/test/confs/0271 b/test/confs/0271
index 93c27241d..b9512dca1 100644
--- a/test/confs/0271
+++ b/test/confs/0271
@@ -14,7 +14,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/0274 b/test/confs/0274
index 2eb7bb60b..461acfcf3 100644
--- a/test/confs/0274
+++ b/test/confs/0274
@@ -14,7 +14,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/${if eq{$address_data}{}{$local_part}{$address_data}}
+  file = DIR/test-mail/${if eq{$address_data}{}{${bless:$local_part}}{$address_data}}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/0280 b/test/confs/0280
index 40187df77..10717bdcf 100644
--- a/test/confs/0280
+++ b/test/confs/0280
@@ -18,7 +18,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/0281 b/test/confs/0281
index 277328ed4..3f737f392 100644
--- a/test/confs/0281
+++ b/test/confs/0281
@@ -68,7 +68,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0282 b/test/confs/0282
index 7eeddd2c4..00958b9a3 100644
--- a/test/confs/0282
+++ b/test/confs/0282
@@ -26,7 +26,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = interface-port: $interface_port\n\
                 received-port:  $received_port
diff --git a/test/confs/0283 b/test/confs/0283
index 31d9339a2..7f40efb18 100644
--- a/test/confs/0283
+++ b/test/confs/0283
@@ -37,12 +37,12 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t3:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = root
 
 # ----- Retry -----
diff --git a/test/confs/0284 b/test/confs/0284
index 0103742f4..98f5660b7 100644
--- a/test/confs/0284
+++ b/test/confs/0284
@@ -35,14 +35,14 @@ t1:
 t2:
   driver = appendfile
   batch_max = 100
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   envelope_to_add
   user = CALLER
 
 t3:
   driver = appendfile
   batch_max = 100
-  file = DIR/test-mail/$domain
+  file = DIR/test-mail/${bless:$domain}
   envelope_to_add
   user = CALLER
 
diff --git a/test/confs/0289 b/test/confs/0289
index 8cd201862..56f50118b 100644
--- a/test/confs/0289
+++ b/test/confs/0289
@@ -26,7 +26,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0296 b/test/confs/0296
index e1f545aba..6241af003 100644
--- a/test/confs/0296
+++ b/test/confs/0296
@@ -25,7 +25,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0297 b/test/confs/0297
index b07fc54cb..2c98b99c5 100644
--- a/test/confs/0297
+++ b/test/confs/0297
@@ -17,7 +17,7 @@ begin routers
 
 r1:
   driver = redirect
-  data = $local_part
+  data = ${bless:$local_part}
   file_transport = ${if eq {$address_file}{/a/b/c}{tf1}{tf2}}
   directory_transport = ${if match{$address_file}{//\$}{td2}{td1}}
   user = CALLER
diff --git a/test/confs/0298 b/test/confs/0298
index 3ca06f87f..f4f3990e2 100644
--- a/test/confs/0298
+++ b/test/confs/0298
@@ -32,7 +32,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0299 b/test/confs/0299
index d7dc87314..629f9c40d 100644
--- a/test/confs/0299
+++ b/test/confs/0299
@@ -30,7 +30,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   shadow_transport = t3
 
diff --git a/test/confs/0306 b/test/confs/0306
index 6d6d9658a..c8bd1f362 100644
--- a/test/confs/0306
+++ b/test/confs/0306
@@ -27,14 +27,14 @@ r1:
   driver = redirect
   domains = lists.test.ex
   local_part_suffix = -request
-  file = DIR/aux-fixed/TESTNUM/$local_part$local_part_suffix
+  file = DIR/aux-fixed/TESTNUM/${bless:$local_part}$local_part_suffix
 
 r2:
   driver = redirect
   domains = lists.test.ex
   senders = ${if exists {DIR/aux-fixed/TESTNUM/$local_part}\
              {lsearch;DIR/aux-fixed/TESTNUM/$local_part}{*}}
-  file = DIR/aux-fixed/TESTNUM/$local_part
+  file = DIR/aux-fixed/TESTNUM/${bless:$local_part}
   forbid_pipe
   forbid_file
   one_time
@@ -64,7 +64,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0307 b/test/confs/0307
index 3252b4615..c2019893a 100644
--- a/test/confs/0307
+++ b/test/confs/0307
@@ -24,7 +24,7 @@ r1:
             ${if exists {DIR/aux-fixed/TESTNUM/$local_part}\
              {lsearch;DIR/aux-fixed/TESTNUM/$local_part}{*}}\
             }}
-  file = DIR/aux-fixed/TESTNUM/$local_part$local_part_suffix
+  file = DIR/aux-fixed/TESTNUM/${bless:$local_part}$local_part_suffix
   forbid_pipe
   forbid_file
   one_time
@@ -54,7 +54,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0309 b/test/confs/0309
index 4d6449009..0a49f221d 100644
--- a/test/confs/0309
+++ b/test/confs/0309
@@ -29,13 +29,13 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_size_limit = $local_part
   user = CALLER
 
 bounce:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0310 b/test/confs/0310
index 0f324da1d..a999c2642 100644
--- a/test/confs/0310
+++ b/test/confs/0310
@@ -28,13 +28,13 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = 5
   user = CALLER
 
 bounce:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0318 b/test/confs/0318
index 51633d997..ec778a7fd 100644
--- a/test/confs/0318
+++ b/test/confs/0318
@@ -25,7 +25,7 @@ begin transports
 local_delivery:
   driver = appendfile
   directory = DIR/test-mail
-  directory_file = $local_part
+  directory_file = ${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0319 b/test/confs/0319
index aaa21d730..65416e8b4 100644
--- a/test/confs/0319
+++ b/test/confs/0319
@@ -31,7 +31,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 address_file:
diff --git a/test/confs/0321 b/test/confs/0321
index 624202e65..e73eda67b 100644
--- a/test/confs/0321
+++ b/test/confs/0321
@@ -42,7 +42,7 @@ pipe:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0324 b/test/confs/0324
index 129e5df4c..3047764bb 100644
--- a/test/confs/0324
+++ b/test/confs/0324
@@ -25,7 +25,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0326 b/test/confs/0326
index 8f44d3c34..a983e071a 100644
--- a/test/confs/0326
+++ b/test/confs/0326
@@ -38,7 +38,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0327 b/test/confs/0327
index 481aaa7ae..85b4f894a 100644
--- a/test/confs/0327
+++ b/test/confs/0327
@@ -40,12 +40,12 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0328 b/test/confs/0328
index 76f898552..b52a2e195 100644
--- a/test/confs/0328
+++ b/test/confs/0328
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0329 b/test/confs/0329
index f9d5bcbb5..e126d8c7e 100644
--- a/test/confs/0329
+++ b/test/confs/0329
@@ -29,7 +29,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0330 b/test/confs/0330
index 78701a9c5..066292d1c 100644
--- a/test/confs/0330
+++ b/test/confs/0330
@@ -37,7 +37,7 @@ begin transports
 appendfile:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0335 b/test/confs/0335
index 6529028d5..5a99e9bd1 100644
--- a/test/confs/0335
+++ b/test/confs/0335
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   envelope_to_add
 
diff --git a/test/confs/0338 b/test/confs/0338
index d373f477c..d3aa237e9 100644
--- a/test/confs/0338
+++ b/test/confs/0338
@@ -39,7 +39,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/0345 b/test/confs/0345
index 651d07068..939bbeaec 100644
--- a/test/confs/0345
+++ b/test/confs/0345
@@ -28,7 +28,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   quota = 20
   user = CALLER
 
diff --git a/test/confs/0346 b/test/confs/0346
index 1c4b51c50..61a487775 100644
--- a/test/confs/0346
+++ b/test/confs/0346
@@ -38,7 +38,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   envelope_to_add
 
diff --git a/test/confs/0351 b/test/confs/0351
index b00ee7497..c4353bcff 100644
--- a/test/confs/0351
+++ b/test/confs/0351
@@ -27,7 +27,7 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "\n\
                 TO: $h_to:\n\
                 --------------------------------\n\
diff --git a/test/confs/0352 b/test/confs/0352
index aaa980941..1a37f4100 100644
--- a/test/confs/0352
+++ b/test/confs/0352
@@ -26,6 +26,6 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 # End
diff --git a/test/confs/0353 b/test/confs/0353
index fb53d6d69..0f9ef9f4b 100644
--- a/test/confs/0353
+++ b/test/confs/0353
@@ -26,6 +26,6 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 # End
diff --git a/test/confs/0354 b/test/confs/0354
index 03ea43f83..4cb670206 100644
--- a/test/confs/0354
+++ b/test/confs/0354
@@ -27,6 +27,6 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 # End
diff --git a/test/confs/0355 b/test/confs/0355
index 78b1484c7..f24f02bbd 100644
--- a/test/confs/0355
+++ b/test/confs/0355
@@ -29,6 +29,6 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 # End
diff --git a/test/confs/0359 b/test/confs/0359
index 6b6b8c093..5081b497e 100644
--- a/test/confs/0359
+++ b/test/confs/0359
@@ -30,7 +30,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = X-shadowed:
   user = CALLER
 
diff --git a/test/confs/0362 b/test/confs/0362
index cdfe7d532..34855e224 100644
--- a/test/confs/0362
+++ b/test/confs/0362
@@ -52,7 +52,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0374 b/test/confs/0374
index 284344276..1cae0254c 100644
--- a/test/confs/0374
+++ b/test/confs/0374
@@ -50,7 +50,7 @@ begin transports
 # Successful local transport
 ut1:
   driver = appendfile
-  file = DIR/test-mail/$local_part-u
+  file = DIR/test-mail/${bless:$local_part}-u
   user = CALLER
   return_path_add
   envelope_to_add
@@ -83,7 +83,7 @@ ut4:
 # Real delivery
 real:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   return_path_add
   envelope_to_add
diff --git a/test/confs/0375 b/test/confs/0375
index 164f32788..dce134ef7 100644
--- a/test/confs/0375
+++ b/test/confs/0375
@@ -85,7 +85,7 @@ begin transports
 # Successful local transport
 ut1:
   driver = appendfile
-  file = DIR/test-mail/$local_part-u
+  file = DIR/test-mail/${bless:$local_part}-u
   user = CALLER
   return_path_add
   envelope_to_add
@@ -146,7 +146,7 @@ ut6:
 # Real delivery
 real:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   return_path_add
   envelope_to_add
diff --git a/test/confs/0377 b/test/confs/0377
index bd3391b3a..ba8c0aa6c 100644
--- a/test/confs/0377
+++ b/test/confs/0377
@@ -65,7 +65,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0379 b/test/confs/0379
index 2f1216b1f..a3d14231b 100644
--- a/test/confs/0379
+++ b/test/confs/0379
@@ -36,7 +36,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0380 b/test/confs/0380
index 90d1f933b..0bad1f7c2 100644
--- a/test/confs/0380
+++ b/test/confs/0380
@@ -25,13 +25,13 @@ r0:
 r1:
   driver = redirect
   local_parts = aaaa
-  file = DIR/non-exist/$local_part
+  file = DIR/non-exist/${bless:$local_part}
 
 r2:
   driver = redirect
   local_parts = bbbb
   ignore_enotdir
-  file = DIR/non-exist/$local_part
+  file = DIR/non-exist/${bless:$local_part}
 
 r3:
   driver = accept
@@ -43,7 +43,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0383 b/test/confs/0383
index ea2f1dc28..1a2637515 100644
--- a/test/confs/0383
+++ b/test/confs/0383
@@ -39,7 +39,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0385 b/test/confs/0385
index f66e6b818..4d67fed7b 100644
--- a/test/confs/0385
+++ b/test/confs/0385
@@ -31,7 +31,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0386 b/test/confs/0386
index 0af3202a3..983af9bd4 100644
--- a/test/confs/0386
+++ b/test/confs/0386
@@ -36,7 +36,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0393 b/test/confs/0393
index c029d0d71..7ec2e805f 100644
--- a/test/confs/0393
+++ b/test/confs/0393
@@ -27,7 +27,7 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   transport_filter = FILTER
 
 
diff --git a/test/confs/0395 b/test/confs/0395
index b7fc3fd58..c1c91d51f 100644
--- a/test/confs/0395
+++ b/test/confs/0395
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0398 b/test/confs/0398
index e71a01c2d..02b537032 100644
--- a/test/confs/0398
+++ b/test/confs/0398
@@ -54,7 +54,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0404 b/test/confs/0404
index 9d0dc5c90..542978c83 100644
--- a/test/confs/0404
+++ b/test/confs/0404
@@ -35,7 +35,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0408 b/test/confs/0408
index 903b4ca7c..af74310c8 100644
--- a/test/confs/0408
+++ b/test/confs/0408
@@ -26,7 +26,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0412 b/test/confs/0412
index f8b9c69ff..75147a363 100644
--- a/test/confs/0412
+++ b/test/confs/0412
@@ -26,7 +26,7 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "\n\
                 FROM: $h_from:\n\
                 --------------------------------\n\
diff --git a/test/confs/0421 b/test/confs/0421
index 6d12ce20b..99c2608e1 100644
--- a/test/confs/0421
+++ b/test/confs/0421
@@ -26,7 +26,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_rewrite = *@*  abc@x.y.z
   user = CALLER
 
diff --git a/test/confs/0428 b/test/confs/0428
index 5ee5cdbb8..b0bcb6548 100644
--- a/test/confs/0428
+++ b/test/confs/0428
@@ -151,7 +151,7 @@ begin transports
 t1:
   driver = appendfile
   file = ${if eq{$address_file}{inbox} \
-              {DIR/test-mail/$local_part} \
+              {DIR/test-mail/${bless:$local_part}} \
               {${if eq{${substr_0_1:$address_file}}{/} \
                     {$address_file} \
                     {DIR/test-mail/$address_file} \
@@ -164,7 +164,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   delivery_date_add
   envelope_to_add
   return_path_add
diff --git a/test/confs/0431 b/test/confs/0431
index 4af033ca9..c76363eb3 100644
--- a/test/confs/0431
+++ b/test/confs/0431
@@ -48,7 +48,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   use_bsmtp
   AFFIX
diff --git a/test/confs/0436 b/test/confs/0436
index 2fcaef961..01f1ccb70 100644
--- a/test/confs/0436
+++ b/test/confs/0436
@@ -23,7 +23,7 @@ t1:
   driver = appendfile
   envelope_to_add
   use_bsmtp
-  file = DIR/test-mail/$sender_address_local_part
+  file = DIR/test-mail/${bless:$sender_address_local_part}
   user = CALLER
   batch_max = 20000
 
diff --git a/test/confs/0444 b/test/confs/0444
index 2c103ff69..7337a4012 100644
--- a/test/confs/0444
+++ b/test/confs/0444
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0446 b/test/confs/0446
index 90e8a0245..ca8ef3953 100644
--- a/test/confs/0446
+++ b/test/confs/0446
@@ -43,7 +43,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0449 b/test/confs/0449
index d08da8341..1c0f675da 100644
--- a/test/confs/0449
+++ b/test/confs/0449
@@ -27,7 +27,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0452 b/test/confs/0452
index a94295a98..3608eeed2 100644
--- a/test/confs/0452
+++ b/test/confs/0452
@@ -32,7 +32,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0456 b/test/confs/0456
index 362d6b549..313aa14a6 100644
--- a/test/confs/0456
+++ b/test/confs/0456
@@ -30,7 +30,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # ----- Retry -----
diff --git a/test/confs/0460 b/test/confs/0460
index 6c6ec7477..4918700f9 100644
--- a/test/confs/0460
+++ b/test/confs/0460
@@ -29,7 +29,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0461 b/test/confs/0461
index 4aca116e5..6f476e500 100644
--- a/test/confs/0461
+++ b/test/confs/0461
@@ -43,7 +43,7 @@ t1:
 
 t2:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0472 b/test/confs/0472
index 09d563329..0ac7758f8 100644
--- a/test/confs/0472
+++ b/test/confs/0472
@@ -33,7 +33,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0480 b/test/confs/0480
index 6c2b688ec..d10d12bdd 100644
--- a/test/confs/0480
+++ b/test/confs/0480
@@ -42,7 +42,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0481 b/test/confs/0481
index ae1b78819..09e3ed89e 100644
--- a/test/confs/0481
+++ b/test/confs/0481
@@ -37,7 +37,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0485 b/test/confs/0485
index ad31830e0..e4711e049 100644
--- a/test/confs/0485
+++ b/test/confs/0485
@@ -54,7 +54,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0487 b/test/confs/0487
index a9c1babc0..98ff7bf58 100644
--- a/test/confs/0487
+++ b/test/confs/0487
@@ -25,7 +25,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_rewrite = \N$^\N bogus@bogus fw
   user = CALLER
 
diff --git a/test/confs/0491 b/test/confs/0491
index c7d3eaec0..646f47afb 100644
--- a/test/confs/0491
+++ b/test/confs/0491
@@ -30,7 +30,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/0493 b/test/confs/0493
index dd38fbc49..8de0b83d9 100644
--- a/test/confs/0493
+++ b/test/confs/0493
@@ -25,7 +25,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0494 b/test/confs/0494
index 8027cf482..fb159a783 100644
--- a/test/confs/0494
+++ b/test/confs/0494
@@ -29,7 +29,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0495 b/test/confs/0495
index dc1a394b0..589686a38 100644
--- a/test/confs/0495
+++ b/test/confs/0495
@@ -76,7 +76,7 @@ t2:
 
 t3:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t4:
diff --git a/test/confs/0496 b/test/confs/0496
index 351cd802a..8819f6230 100644
--- a/test/confs/0496
+++ b/test/confs/0496
@@ -39,7 +39,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0500 b/test/confs/0500
index f3b225c66..74c41e72a 100644
--- a/test/confs/0500
+++ b/test/confs/0500
@@ -39,7 +39,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0503 b/test/confs/0503
index aab6cdb54..da39a89ca 100644
--- a/test/confs/0503
+++ b/test/confs/0503
@@ -26,7 +26,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   quota = 1000
   MSIZE
diff --git a/test/confs/0504 b/test/confs/0504
index 981ed16c3..d24fca96c 100644
--- a/test/confs/0504
+++ b/test/confs/0504
@@ -22,7 +22,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   transport_filter = /non/existent/file
 
diff --git a/test/confs/0506 b/test/confs/0506
index d20db5f2f..35cdef19a 100644
--- a/test/confs/0506
+++ b/test/confs/0506
@@ -20,7 +20,7 @@ r1:
   user = EXIMUSER
   ALLOW
   FORBID
-  file = DIR/aux-fixed/TESTNUM.$local_part
+  file = DIR/aux-fixed/TESTNUM.${bless:$local_part}
 
 
 # ----- Retry -----
diff --git a/test/confs/0508 b/test/confs/0508
index 17a1dec10..580f6931e 100644
--- a/test/confs/0508
+++ b/test/confs/0508
@@ -33,7 +33,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0514 b/test/confs/0514
index 36a2ac3d2..2457c4033 100644
--- a/test/confs/0514
+++ b/test/confs/0514
@@ -25,7 +25,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0517 b/test/confs/0517
index cbb2d4dbb..cc991b2a3 100644
--- a/test/confs/0517
+++ b/test/confs/0517
@@ -36,7 +36,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0522 b/test/confs/0522
index 4909db849..2e499adf3 100644
--- a/test/confs/0522
+++ b/test/confs/0522
@@ -37,7 +37,7 @@ begin transports
 
 t0:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t1:
diff --git a/test/confs/0523 b/test/confs/0523
index 9415855d7..9e86b5411 100644
--- a/test/confs/0523
+++ b/test/confs/0523
@@ -30,7 +30,7 @@ begin transports
 
 t0:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   envelope_to_add
 
diff --git a/test/confs/0530 b/test/confs/0530
index 9eeb4cc9f..a3143a0c7 100644
--- a/test/confs/0530
+++ b/test/confs/0530
@@ -29,7 +29,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0531 b/test/confs/0531
index 0af86b968..f5e29e446 100644
--- a/test/confs/0531
+++ b/test/confs/0531
@@ -31,7 +31,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 lmtp:
diff --git a/test/confs/0532 b/test/confs/0532
index e50c5de0e..3842776a5 100644
--- a/test/confs/0532
+++ b/test/confs/0532
@@ -69,7 +69,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0533 b/test/confs/0533
index 1dbc83b61..7c2ca9dc2 100644
--- a/test/confs/0533
+++ b/test/confs/0533
@@ -16,7 +16,7 @@ r1:
   driver = redirect
   local_part_prefix = file-
   local_part_suffix = =*
-  data = DIR/test-mail/${substr_1:$local_part_suffix}
+  data = DIR/test-mail/${bless:${substr_1:$local_part_suffix}}
   file_transport = t1
 
 r2:
diff --git a/test/confs/0535 b/test/confs/0535
index 004f795f5..7960c064d 100644
--- a/test/confs/0535
+++ b/test/confs/0535
@@ -36,7 +36,7 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 
 # End
diff --git a/test/confs/0536 b/test/confs/0536
index e451f81fe..d526f7710 100644
--- a/test/confs/0536
+++ b/test/confs/0536
@@ -94,6 +94,6 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
diff --git a/test/confs/0551 b/test/confs/0551
index 1b4465bdd..d5d2ffd57 100644
--- a/test/confs/0551
+++ b/test/confs/0551
@@ -26,6 +26,6 @@ begin transports
 t1:
   driver = appendfile
   user = CALLER
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
 
 # End
diff --git a/test/confs/0566 b/test/confs/0566
index cc661f78b..4692b22b1 100644
--- a/test/confs/0566
+++ b/test/confs/0566
@@ -55,7 +55,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0567 b/test/confs/0567
index 267566561..984aceba9 100644
--- a/test/confs/0567
+++ b/test/confs/0567
@@ -80,7 +80,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0571 b/test/confs/0571
index a818257f5..d7c19f14c 100644
--- a/test/confs/0571
+++ b/test/confs/0571
@@ -40,7 +40,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 t2:
diff --git a/test/confs/0573 b/test/confs/0573
index 3c2b1aae1..388c53fd0 100644
--- a/test/confs/0573
+++ b/test/confs/0573
@@ -26,7 +26,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0584 b/test/confs/0584
new file mode 100644
index 000000000..654ecbfb9
--- /dev/null
+++ b/test/confs/0584
@@ -0,0 +1,40 @@
+# Exim test configuration 0005
+
+.include DIR/aux-var/std_conf_prefix
+
+
+# ----- Main settings -----
+
+domainlist local_domains = @
+
+acl_smtp_rcpt = check_recipient
+trusted_users = CALLER
+
+
+# ----- ACL -----
+
+begin acl
+
+check_recipient:
+  accept hosts = :
+  accept domains = +local_domains
+  deny   message = relay not permitted
+
+# ----- Routers -----
+
+begin routers
+
+localuser:
+  driver = accept
+  check_local_user
+  transport = local_delivery
+
+# ----- Transports -----
+
+begin transports
+
+local_delivery:
+  driver = appendfile
+  file = DIR/test-mail/$local_part
+
+# End
diff --git a/test/confs/0600 b/test/confs/0600
index 65c6c2af4..58257e55e 100644
--- a/test/confs/0600
+++ b/test/confs/0600
@@ -58,7 +58,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/0609 b/test/confs/0609
index e1ec0853e..2f658c4d5 100644
--- a/test/confs/0609
+++ b/test/confs/0609
@@ -37,7 +37,7 @@ begin transports
 
 appendfile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/0618 b/test/confs/0618
index b92353397..d212e9875 100644
--- a/test/confs/0618
+++ b/test/confs/0618
@@ -84,7 +84,7 @@ bad_tpt:
 
 tofile:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   event_action = ${acl {ev_log}}
 
diff --git a/test/confs/0620 b/test/confs/0620
index 7f1b69415..6ee5ac654 100644
--- a/test/confs/0620
+++ b/test/confs/0620
@@ -60,7 +60,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add =	X-r1: <$r_r1>\nX-r2: <$r_r2>\nX-r3: <$r_r3>
 
diff --git a/test/confs/0900 b/test/confs/0900
index 4c824c4b4..df1540cfb 100644
--- a/test/confs/0900
+++ b/test/confs/0900
@@ -96,7 +96,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/0901 b/test/confs/0901
index 2e299c7dd..ed465ace4 100644
--- a/test/confs/0901
+++ b/test/confs/0901
@@ -87,7 +87,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/0906 b/test/confs/0906
index c320b2569..031065359 100644
--- a/test/confs/0906
+++ b/test/confs/0906
@@ -74,7 +74,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/1001 b/test/confs/1001
index e4ed6779b..878f4145d 100644
--- a/test/confs/1001
+++ b/test/confs/1001
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/1002 b/test/confs/1002
index f0a4518f3..2ddf2a888 100644
--- a/test/confs/1002
+++ b/test/confs/1002
@@ -73,7 +73,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/1003 b/test/confs/1003
index df1e48891..6405a8725 100644
--- a/test/confs/1003
+++ b/test/confs/1003
@@ -38,7 +38,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 send_to_server1:
diff --git a/test/confs/2002 b/test/confs/2002
index 6475fb7fb..6a322ff50 100644
--- a/test/confs/2002
+++ b/test/confs/2002
@@ -84,7 +84,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2003 b/test/confs/2003
index c3eece620..0ce5fdb98 100644
--- a/test/confs/2003
+++ b/test/confs/2003
@@ -43,7 +43,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2004 b/test/confs/2004
index 4cd622cef..f40e8ba83 100644
--- a/test/confs/2004
+++ b/test/confs/2004
@@ -44,7 +44,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2005 b/test/confs/2005
index 110bbef22..442f0509c 100644
--- a/test/confs/2005
+++ b/test/confs/2005
@@ -53,7 +53,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2007 b/test/confs/2007
index d666f6ac2..db46a6c6f 100644
--- a/test/confs/2007
+++ b/test/confs/2007
@@ -46,7 +46,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2008 b/test/confs/2008
index 1f12493c5..0fd5186ac 100644
--- a/test/confs/2008
+++ b/test/confs/2008
@@ -55,7 +55,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2013 b/test/confs/2013
index 1a23887b3..d81f160de 100644
--- a/test/confs/2013
+++ b/test/confs/2013
@@ -57,7 +57,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2014 b/test/confs/2014
index a50a875cf..ec7c0011f 100644
--- a/test/confs/2014
+++ b/test/confs/2014
@@ -52,7 +52,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_in_peerdn
   user = CALLER
 
diff --git a/test/confs/2017 b/test/confs/2017
index 98fdc07ca..01612ef72 100644
--- a/test/confs/2017
+++ b/test/confs/2017
@@ -45,7 +45,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2019 b/test/confs/2019
index bd2cf5a6a..5d26fd033 100644
--- a/test/confs/2019
+++ b/test/confs/2019
@@ -49,7 +49,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2027 b/test/confs/2027
index c1b93a2ce..926b09a57 100644
--- a/test/confs/2027
+++ b/test/confs/2027
@@ -42,7 +42,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2032 b/test/confs/2032
index 9f69adca2..907ab9947 100644
--- a/test/confs/2032
+++ b/test/confs/2032
@@ -61,7 +61,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2038 b/test/confs/2038
index d5465e30d..677bc9ee3 100644
--- a/test/confs/2038
+++ b/test/confs/2038
@@ -50,7 +50,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2102 b/test/confs/2102
index 5e156d486..6ae1514e9 100644
--- a/test/confs/2102
+++ b/test/confs/2102
@@ -94,7 +94,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2103 b/test/confs/2103
index a9daf05b7..5a8571f09 100644
--- a/test/confs/2103
+++ b/test/confs/2103
@@ -43,7 +43,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2104 b/test/confs/2104
index 7cd35f0e2..d37523c8b 100644
--- a/test/confs/2104
+++ b/test/confs/2104
@@ -44,7 +44,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2105 b/test/confs/2105
index c77c1547f..7cbbdf017 100644
--- a/test/confs/2105
+++ b/test/confs/2105
@@ -53,7 +53,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2107 b/test/confs/2107
index 5cf1dc373..1f96800e3 100644
--- a/test/confs/2107
+++ b/test/confs/2107
@@ -45,7 +45,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2108 b/test/confs/2108
index 5db771d13..c9720e46a 100644
--- a/test/confs/2108
+++ b/test/confs/2108
@@ -53,7 +53,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2113 b/test/confs/2113
index eb9d2b487..e5fc5393d 100644
--- a/test/confs/2113
+++ b/test/confs/2113
@@ -57,7 +57,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2114 b/test/confs/2114
index 557479dc9..17d5ff2d1 100644
--- a/test/confs/2114
+++ b/test/confs/2114
@@ -52,7 +52,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_in_peerdn
   user = CALLER
 
diff --git a/test/confs/2117 b/test/confs/2117
index cdec8306b..f05eedb0a 100644
--- a/test/confs/2117
+++ b/test/confs/2117
@@ -45,7 +45,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2119 b/test/confs/2119
index fbd83769c..64987c8c0 100644
--- a/test/confs/2119
+++ b/test/confs/2119
@@ -49,7 +49,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2127 b/test/confs/2127
index 65e1901f6..148eb7ef0 100644
--- a/test/confs/2127
+++ b/test/confs/2127
@@ -46,7 +46,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2132 b/test/confs/2132
index 4d90a9cd7..7329e28d1 100644
--- a/test/confs/2132
+++ b/test/confs/2132
@@ -55,7 +55,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2138 b/test/confs/2138
index d5dba1b3f..aedeacf2f 100644
--- a/test/confs/2138
+++ b/test/confs/2138
@@ -50,7 +50,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2149 b/test/confs/2149
index ee48a51b3..41e71486f 100644
--- a/test/confs/2149
+++ b/test/confs/2149
@@ -41,7 +41,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/2201 b/test/confs/2201
index 4ce79253d..3f8f4fb62 100644
--- a/test/confs/2201
+++ b/test/confs/2201
@@ -67,7 +67,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 remote_delivery:
diff --git a/test/confs/3206 b/test/confs/3206
index e4085ad6c..d672ad493 100644
--- a/test/confs/3206
+++ b/test/confs/3206
@@ -35,7 +35,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/3207 b/test/confs/3207
index bf8d1d4c5..46b7d69dd 100644
--- a/test/confs/3207
+++ b/test/confs/3207
@@ -77,7 +77,7 @@ begin transports
 local_delivery:
   driver = appendfile
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 smtp:
diff --git a/test/confs/3400 b/test/confs/3400
index 6b817c2f4..d94e70d7c 100644
--- a/test/confs/3400
+++ b/test/confs/3400
@@ -151,7 +151,7 @@ appendfile:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/3403 b/test/confs/3403
index b8c8086b6..161cdeaee 100644
--- a/test/confs/3403
+++ b/test/confs/3403
@@ -50,7 +50,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/3408 b/test/confs/3408
index 14f5c6249..7de4a6dd5 100644
--- a/test/confs/3408
+++ b/test/confs/3408
@@ -68,7 +68,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
 
 # End
diff --git a/test/confs/3411 b/test/confs/3411
index 44feae7bd..b50220887 100644
--- a/test/confs/3411
+++ b/test/confs/3411
@@ -87,7 +87,7 @@ dev_null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/3451 b/test/confs/3451
index 160f9e086..f453873cb 100644
--- a/test/confs/3451
+++ b/test/confs/3451
@@ -61,7 +61,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/3452 b/test/confs/3452
index 108d93edc..e4d02b74b 100644
--- a/test/confs/3452
+++ b/test/confs/3452
@@ -59,7 +59,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/3461 b/test/confs/3461
index 35c2a17b2..f865057fd 100644
--- a/test/confs/3461
+++ b/test/confs/3461
@@ -61,7 +61,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/3462 b/test/confs/3462
index 3f8c401de..6c3aaee8d 100644
--- a/test/confs/3462
+++ b/test/confs/3462
@@ -59,7 +59,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/3500 b/test/confs/3500
index 68cf703be..2419dece4 100644
--- a/test/confs/3500
+++ b/test/confs/3500
@@ -102,7 +102,7 @@ appendfile:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/3700 b/test/confs/3700
index 39e3bcece..4a8d38aae 100644
--- a/test/confs/3700
+++ b/test/confs/3700
@@ -95,7 +95,7 @@ t2:
 
 file:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/3720 b/test/confs/3720
index 53a68d31e..397e4e94d 100644
--- a/test/confs/3720
+++ b/test/confs/3720
@@ -88,7 +88,7 @@ t1:
 
 file:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/4000 b/test/confs/4000
index a62f7c6a3..d80aaa8f1 100644
--- a/test/confs/4000
+++ b/test/confs/4000
@@ -52,7 +52,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/4001 b/test/confs/4001
index 334ca0cae..cf124eccf 100644
--- a/test/confs/4001
+++ b/test/confs/4001
@@ -46,7 +46,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/4201 b/test/confs/4201
index 8ded6c27c..a2c45a327 100644
--- a/test/confs/4201
+++ b/test/confs/4201
@@ -116,7 +116,7 @@ local_delivery:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/4211 b/test/confs/4211
index e68111eb7..d4aaa441b 100644
--- a/test/confs/4211
+++ b/test/confs/4211
@@ -107,7 +107,7 @@ local_delivery:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/4221 b/test/confs/4221
index e68111eb7..d4aaa441b 100644
--- a/test/confs/4221
+++ b/test/confs/4221
@@ -107,7 +107,7 @@ local_delivery:
   user = CALLER
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = "X-body-linecount: $body_linecount\n\
                  X-message-linecount: $message_linecount\n\
                  X-received-count: $received_count"
diff --git a/test/confs/4520 b/test/confs/4520
index 3f49ca996..770d8cc62 100644
--- a/test/confs/4520
+++ b/test/confs/4520
@@ -77,7 +77,7 @@ send_to_server:
 
 file:
   driver =	appendfile
-  file =	DIR/test-mail/$local_part
+  file =	DIR/test-mail/${bless:$local_part}
   user =	CALLER
 
 # End
diff --git a/test/confs/4525 b/test/confs/4525
index e11456cd2..a5b7f2cd0 100644
--- a/test/confs/4525
+++ b/test/confs/4525
@@ -107,7 +107,7 @@ send_to_server:
 
 file:
   driver =	appendfile
-  file =	DIR/test-mail/$local_part
+  file =	DIR/test-mail/${bless:$local_part}
   user =	CALLER
 
 # End
diff --git a/test/confs/4560 b/test/confs/4560
index d945999a6..8c5864b9a 100644
--- a/test/confs/4560
+++ b/test/confs/4560
@@ -78,7 +78,7 @@ begin transports
 
 tfile:
   driver =	appendfile
-  file =	DIR/test-mail/$local_part
+  file =	DIR/test-mail/${bless:$local_part}
   user =	CALLER
 
 tsmtp:
diff --git a/test/confs/4565 b/test/confs/4565
index 4e90606f2..9f1058fb1 100644
--- a/test/confs/4565
+++ b/test/confs/4565
@@ -59,7 +59,7 @@ begin transports
 
 tfile:
   driver =	appendfile
-  file =	DIR/test-mail/$local_part
+  file =	DIR/test-mail/${bless:$local_part}
   user =	CALLER
 
 tsmtp:
diff --git a/test/confs/4620 b/test/confs/4620
index 5b1175a53..26906e7c7 100644
--- a/test/confs/4620
+++ b/test/confs/4620
@@ -75,7 +75,7 @@ forwarded_external:
 
 appendfile:
   driver =	appendfile
-  file =	DIR/test-mail/$local_part
+  file =	DIR/test-mail/${bless:$local_part}
   user =	CALLER
 
 # ----- Retry -----
diff --git a/test/confs/4700 b/test/confs/4700
index 86d8b6d8d..04cc37082 100644
--- a/test/confs/4700
+++ b/test/confs/4700
@@ -52,7 +52,7 @@ smtp:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/5001 b/test/confs/5001
index db8c7dc1f..7bf79ae38 100644
--- a/test/confs/5001
+++ b/test/confs/5001
@@ -29,7 +29,7 @@ maildir:
   create_file = belowhome
   directory = ${lookup{$local_part}lsearch{DIR/aux-fixed/TESTNUM.filelist}\
               {${if match{$value}{^/}{}{DIR/}}$value}\
-              {DIR/test-mail/$local_part}}
+              {DIR/test-mail/${bless:$local_part}}}
   user = CALLER
 
 
diff --git a/test/confs/5003 b/test/confs/5003
index 763567326..5aa96819f 100644
--- a/test/confs/5003
+++ b/test/confs/5003
@@ -24,14 +24,14 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  directory = DIR/test-mail/$local_part
+  directory = DIR/test-mail/${bless:$local_part}
   maildir_format
   quota = 1.5K
   user = CALLER
 
 local_delivery2:
   driver = appendfile
-  directory = DIR/test-mail/$local_part/
+  directory = DIR/test-mail/${bless:$local_part}/
   maildir_format
   quota = 1.5K
   user = CALLER
diff --git a/test/confs/5005 b/test/confs/5005
index d5d497a06..e5a7ef362 100644
--- a/test/confs/5005
+++ b/test/confs/5005
@@ -27,7 +27,7 @@ begin transports
 
 t1:
   driver = appendfile
-  directory = DIR/test-mail/$local_part
+  directory = DIR/test-mail/${bless:$local_part}
   user = CALLER
   maildir_format
   maildir_use_size_file
diff --git a/test/confs/5006 b/test/confs/5006
index 385d4fe08..17cba3c99 100644
--- a/test/confs/5006
+++ b/test/confs/5006
@@ -24,7 +24,7 @@ begin transports
 
 t1:
   driver = appendfile
-  directory = DIR/test-mail/$local_part
+  directory = DIR/test-mail/${bless:$local_part}
   user = CALLER
   maildir_format
   maildir_use_size_file
diff --git a/test/confs/5007 b/test/confs/5007
index 98f70ee6d..7929b406f 100644
--- a/test/confs/5007
+++ b/test/confs/5007
@@ -27,7 +27,7 @@ begin transports
 
 t1:
   driver = appendfile
-  directory = DIR/test-mail/$local_part
+  directory = DIR/test-mail/${bless:$local_part}
   user = CALLER
   maildir_format
   maildir_use_size_file
diff --git a/test/confs/5008 b/test/confs/5008
index 027ba7a54..1e904d488 100644
--- a/test/confs/5008
+++ b/test/confs/5008
@@ -27,7 +27,7 @@ begin transports
 
 t1:
   driver = appendfile
-  directory = DIR/test-mail/$local_part
+  directory = DIR/test-mail/${bless:$local_part}
   user = CALLER
   maildir_format
   mailbox_size = 100K
diff --git a/test/confs/5050 b/test/confs/5050
index 4258a727f..af6220121 100644
--- a/test/confs/5050
+++ b/test/confs/5050
@@ -32,7 +32,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   file_format = "From       : local_delivery :\
                  *mbx*\r\n  : mbx_local_delivery :\
                  tpmissing  : tpmissing"
@@ -45,7 +45,7 @@ bsmtp_local_delivery:
   use_bsmtp
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
@@ -54,7 +54,7 @@ mbx_local_delivery:
   check_string =
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   mbx_format
   message_prefix =
   return_path_add
diff --git a/test/confs/5101 b/test/confs/5101
index 1dbe3e466..1002009f5 100644
--- a/test/confs/5101
+++ b/test/confs/5101
@@ -35,7 +35,7 @@ local_delivery:
   envelope_to_add
   headers_add = X-Recipient: local_part=$local_part domain=$domain\n\
                 X-Home: $home
-  file = DIR/test-mail/${if eq{$sender_address}{}{copied}{$h_mailbox:}}
+  file = DIR/test-mail/${if eq{$sender_address}{}{copied}{${bless:$h_mailbox:}}}
   user = CALLER
 
 lmtp:
diff --git a/test/confs/5200 b/test/confs/5200
index cafd2fb5e..d30bc3533 100644
--- a/test/confs/5200
+++ b/test/confs/5200
@@ -36,7 +36,7 @@ local_delivery:
   driver = appendfile
   delivery_date_add
   envelope_to_add
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   return_path_add
   user = CALLER
 
diff --git a/test/confs/5201 b/test/confs/5201
index f273d92fa..2af73f244 100644
--- a/test/confs/5201
+++ b/test/confs/5201
@@ -34,7 +34,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/5203 b/test/confs/5203
index 40f4c8370..7a1f943a6 100644
--- a/test/confs/5203
+++ b/test/confs/5203
@@ -27,7 +27,7 @@ begin transports
 
 userx_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   message_suffix = "$address_data\n"
   user = CALLER
 
diff --git a/test/confs/5204 b/test/confs/5204
index e81c58e98..a6812213b 100644
--- a/test/confs/5204
+++ b/test/confs/5204
@@ -64,7 +64,7 @@ null:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/5207 b/test/confs/5207
index bfd32bb3b..9465cfceb 100644
--- a/test/confs/5207
+++ b/test/confs/5207
@@ -14,7 +14,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/${if eq{$address_data}{}{$local_part}{$address_data}}
+  file = DIR/test-mail/${if eq{$address_data}{}{${bless:$local_part}}{$address_data}}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/5500 b/test/confs/5500
index 1b25be1f8..91dc4275d 100644
--- a/test/confs/5500
+++ b/test/confs/5500
@@ -45,7 +45,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # ----- Routers -----
diff --git a/test/confs/5600 b/test/confs/5600
index b65a2797e..7526b9cc4 100644
--- a/test/confs/5600
+++ b/test/confs/5600
@@ -66,7 +66,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5610 b/test/confs/5610
index b65a2797e..7526b9cc4 100644
--- a/test/confs/5610
+++ b/test/confs/5610
@@ -66,7 +66,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5611 b/test/confs/5611
index 9ba6350cc..09c81ffe9 100644
--- a/test/confs/5611
+++ b/test/confs/5611
@@ -85,7 +85,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5650 b/test/confs/5650
index 840b74ce0..c48428232 100644
--- a/test/confs/5650
+++ b/test/confs/5650
@@ -65,7 +65,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5651 b/test/confs/5651
index 1e3ed5a1e..0e5e27b85 100644
--- a/test/confs/5651
+++ b/test/confs/5651
@@ -83,7 +83,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5665 b/test/confs/5665
index 673ec6656..9ced25da4 100644
--- a/test/confs/5665
+++ b/test/confs/5665
@@ -95,7 +95,7 @@ remote_delivery:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5670 b/test/confs/5670
index 6fbd7c12a..325ac885b 100644
--- a/test/confs/5670
+++ b/test/confs/5670
@@ -96,7 +96,7 @@ remote_delivery:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5730 b/test/confs/5730
index 0279cf10e..88c229802 100644
--- a/test/confs/5730
+++ b/test/confs/5730
@@ -92,7 +92,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5740 b/test/confs/5740
index 32423f137..5dcbcb5bb 100644
--- a/test/confs/5740
+++ b/test/confs/5740
@@ -93,7 +93,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   headers_add = TLS: cipher=$tls_cipher peerdn=$tls_peerdn
   user = CALLER
 
diff --git a/test/confs/5902 b/test/confs/5902
index ba4acc29f..ec4306b47 100644
--- a/test/confs/5902
+++ b/test/confs/5902
@@ -32,7 +32,7 @@ scan:
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 # End
diff --git a/test/confs/9001 b/test/confs/9001
index 0518519b8..a1f4ba3eb 100644
--- a/test/confs/9001
+++ b/test/confs/9001
@@ -28,7 +28,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
 
 
diff --git a/test/confs/9400 b/test/confs/9400
index 66ee61edc..0b54c9675 100644
--- a/test/confs/9400
+++ b/test/confs/9400
@@ -42,7 +42,7 @@ begin transports
 
 local_delivery:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = ${if eq {$local_scan_data}{}{}{LSD: $local_scan_data}}
 
diff --git a/test/confs/9401 b/test/confs/9401
index a01167ecb..ed83ed3de 100644
--- a/test/confs/9401
+++ b/test/confs/9401
@@ -30,7 +30,7 @@ begin transports
 
 t1:
   driver = appendfile
-  file = DIR/test-mail/$local_part
+  file = DIR/test-mail/${bless:$local_part}
   user = CALLER
   headers_add = X-lsd: >$local_scan_data<
 
diff --git a/test/log/0584 b/test/log/0584
new file mode 100644
index 000000000..f3ab6ea12
--- /dev/null
+++ b/test/log/0584
@@ -0,0 +1,2 @@
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= someone@some.domain U=CALLER P=local-smtp S=sss
+1999-03-02 09:44:33 10HmaX-0005vi-00 == CALLER@the.local.host.name R=localuser T=local_delivery defer (-1): Tainted 'TESTSUITE/test-mail/CALLER' (file or directory name for local_delivery transport) not permitted
diff --git a/test/msglog/0584.10HmaX-0005vi-00 b/test/msglog/0584.10HmaX-0005vi-00
new file mode 100644
index 000000000..540b68351
--- /dev/null
+++ b/test/msglog/0584.10HmaX-0005vi-00
@@ -0,0 +1,2 @@
+1999-03-02 09:44:33 Received from someone@some.domain U=CALLER P=local-smtp S=sss
+1999-03-02 09:44:33 CALLER@the.local.host.name R=localuser T=local_delivery defer (-1): Tainted 'TESTSUITE/test-mail/CALLER' (file or directory name for local_delivery transport) not permitted
diff --git a/test/paniclog/0584 b/test/paniclog/0584
new file mode 100644
index 000000000..af4f47118
--- /dev/null
+++ b/test/paniclog/0584
@@ -0,0 +1 @@
+1999-03-02 09:44:33 10HmaX-0005vi-00 == CALLER@the.local.host.name R=localuser T=local_delivery defer (-1): Tainted 'TESTSUITE/test-mail/CALLER' (file or directory name for local_delivery transport) not permitted
diff --git a/test/scripts/0000-Basic/0584 b/test/scripts/0000-Basic/0584
new file mode 100644
index 000000000..54ca506cc
--- /dev/null
+++ b/test/scripts/0000-Basic/0584
@@ -0,0 +1,8 @@
+# tainted data for appendfile file option
+exim -bs -odi
+mail from:someone@some.domain
+rcpt to:CALLER@HOSTNAME
+data
+.
+quit
+****
diff --git a/test/stderr/0084 b/test/stderr/0084
index 02d86cee1..8e4d16ee0 100644
--- a/test/stderr/0084
+++ b/test/stderr/0084
@@ -17,9 +17,9 @@ file check: TESTSUITE/aux-fixed/0084.$local_part
 expanded file: TESTSUITE/aux-fixed/0084.yes
 stat() yielded 0
 calling forward router
-rda_interpret (file): 'TESTSUITE/aux-fixed/0084.$local_part'
+rda_interpret (file): 'TESTSUITE/aux-fixed/0084.${bless:$local_part}'
 expanded: 'TESTSUITE/aux-fixed/0084.yes'
-ssss (tainted) bytes read from TESTSUITE/aux-fixed/0084.yes
+ssss bytes read from TESTSUITE/aux-fixed/0084.yes
 file is not a filter file
 parse_forward_list: userx@test.ex
 
diff --git a/test/stderr/0085 b/test/stderr/0085
index 56c65f6b4..001ee066c 100644
--- a/test/stderr/0085
+++ b/test/stderr/0085
@@ -28,7 +28,7 @@ y.z in "test.ex : myhost.test.ex"? no (end of list)
 y.z in "! +local_domains"? yes (end of list)
 calling fail_remote_domains router
 rda_interpret (string): ':fail: unrouteable mail domain "$domain"'
-expanded: ':fail: unrouteable mail domain "y.z"'
+expanded: ':fail: unrouteable mail domain "y.z"' (tainted)
 file is not a filter file
 parse_forward_list: :fail: unrouteable mail domain "y.z"
 extract item: :fail: unrouteable mail domain "y.z"
@@ -227,7 +227,7 @@ y.z in "test.ex : myhost.test.ex"? no (end of list)
 y.z in "! +local_domains"? yes (end of list)
 calling fail_remote_domains router
 rda_interpret (string): ':fail: unrouteable mail domain "$domain"'
-expanded: ':fail: unrouteable mail domain "y.z"'
+expanded: ':fail: unrouteable mail domain "y.z"' (tainted)
 file is not a filter file
 parse_forward_list: :fail: unrouteable mail domain "y.z"
 extract item: :fail: unrouteable mail domain "y.z"
@@ -282,7 +282,7 @@ smart.domain in "test.ex : myhost.test.ex"? no (end of list)
 smart.domain in "! +local_domains"? yes (end of list)
 calling fail_remote_domains router
 rda_interpret (string): ':fail: unrouteable mail domain "$domain"'
-expanded: ':fail: unrouteable mail domain "smart.domain"'
+expanded: ':fail: unrouteable mail domain "smart.domain"' (tainted)
 file is not a filter file
 parse_forward_list: :fail: unrouteable mail domain "smart.domain"
 extract item: :fail: unrouteable mail domain "smart.domain"
diff --git a/test/stderr/0297 b/test/stderr/0297
index 36bcfb480..f1a0a2e29 100644
--- a/test/stderr/0297
+++ b/test/stderr/0297
@@ -8,7 +8,7 @@ routing /a/b/c@myhost.test.ex
 --------> r1 router <--------
 local_part=/a/b/c domain=myhost.test.ex
 calling r1 router
-rda_interpret (string): '$local_part'
+rda_interpret (string): '${bless:$local_part}'
 expanded: '/a/b/c'
 file is not a filter file
 parse_forward_list: /a/b/c
@@ -32,7 +32,7 @@ routing /x/y/z@myhost.test.ex
 --------> r1 router <--------
 local_part=/x/y/z domain=myhost.test.ex
 calling r1 router
-rda_interpret (string): '$local_part'
+rda_interpret (string): '${bless:$local_part}'
 expanded: '/x/y/z'
 file is not a filter file
 parse_forward_list: /x/y/z
diff --git a/test/stderr/0361 b/test/stderr/0361
index cd96418fe..8f5ef0b2b 100644
--- a/test/stderr/0361
+++ b/test/stderr/0361
@@ -149,7 +149,7 @@ checking local_parts
 kilos in "kilos"? yes (matched "kilos")
 calling r3 router
 rda_interpret (string): '$local_part@$domain'
-expanded: 'kilos@recurse.test.ex.test.ex'
+expanded: 'kilos@recurse.test.ex.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: kilos@recurse.test.ex.test.ex
 extract item: kilos@recurse.test.ex.test.ex
diff --git a/test/stderr/0364 b/test/stderr/0364
index 1b08f726b..43462a56f 100644
--- a/test/stderr/0364
+++ b/test/stderr/0364
@@ -10,7 +10,7 @@ checking domains
 processing address_data
 calling r1 router
 rda_interpret (string): '$local_part@$domain.test.ex'
-expanded: 'kilos@thishost.test.ex'
+expanded: 'kilos@thishost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: kilos@thishost.test.ex
 extract item: kilos@thishost.test.ex
@@ -55,7 +55,7 @@ checking domains
 processing address_data
 calling r1 router
 rda_interpret (string): '$local_part@$domain.test.ex'
-expanded: 'solik@otherhost.test.ex'
+expanded: 'solik@otherhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: solik@otherhost.test.ex
 extract item: solik@otherhost.test.ex
@@ -81,7 +81,7 @@ checking "condition" "${if eq{$address_data}{}{no}{yes}}"...
 processing address_data
 calling r3 router
 rda_interpret (string): '$local_part@$original_domain.sub.test.ex'
-expanded: 'solik@otherhost.sub.test.ex'
+expanded: 'solik@otherhost.sub.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: solik@otherhost.sub.test.ex
 extract item: solik@otherhost.sub.test.ex
@@ -110,7 +110,7 @@ local_part=solik domain=otherhost.sub.test.ex
 checking domains
 calling r4 router
 rda_interpret (string): ':fail:Can't route to $domain'
-expanded: ':fail:Can't route to otherhost.sub.test.ex'
+expanded: ':fail:Can't route to otherhost.sub.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: :fail:Can't route to otherhost.sub.test.ex
 extract item: :fail:Can't route to otherhost.sub.test.ex
@@ -123,7 +123,7 @@ checking domains
 processing address_data
 calling r1 router
 rda_interpret (string): '$local_part@$domain.test.ex'
-expanded: 'xxx@ten-1.test.ex'
+expanded: 'xxx@ten-1.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: xxx@ten-1.test.ex
 extract item: xxx@ten-1.test.ex
@@ -158,7 +158,7 @@ checking domains
 processing address_data
 calling r1 router
 rda_interpret (string): '$local_part@$domain.test.ex'
-expanded: 'xxx@testsub.test.ex'
+expanded: 'xxx@testsub.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: xxx@testsub.test.ex
 extract item: xxx@testsub.test.ex
@@ -184,7 +184,7 @@ checking "condition" "${if eq{$address_data}{}{no}{yes}}"...
 processing address_data
 calling r3 router
 rda_interpret (string): '$local_part@$original_domain.sub.test.ex'
-expanded: 'xxx@testsub.sub.test.ex'
+expanded: 'xxx@testsub.sub.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: xxx@testsub.sub.test.ex
 extract item: xxx@testsub.sub.test.ex
diff --git a/test/stderr/0377 b/test/stderr/0377
index 98f92e0a3..f395ee37a 100644
--- a/test/stderr/0377
+++ b/test/stderr/0377
@@ -55,7 +55,7 @@ local_part=cccc domain=myhost.test.ex
 checking local_parts
 calling cccc_redirect router
 rda_interpret (string): 'cccc@$domain, defer_cccc@$domain'
-expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex'
+expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: cccc@myhost.test.ex, defer_cccc@myhost.test.ex
 extract item: cccc@myhost.test.ex
@@ -89,7 +89,7 @@ checking local_parts
 checking "condition" "${if first_delivery{yes}{no}}"...
 calling bbbb router
 rda_interpret (string): 'bbbb@$domain, defer_bbbb@$domain'
-expanded: 'bbbb@myhost.test.ex, defer_bbbb@myhost.test.ex'
+expanded: 'bbbb@myhost.test.ex, defer_bbbb@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: bbbb@myhost.test.ex, defer_bbbb@myhost.test.ex
 extract item: bbbb@myhost.test.ex
@@ -115,7 +115,7 @@ checking local_parts
 checking "condition" "${if first_delivery{yes}{no}}"...
 calling unseen_aaaa router
 rda_interpret (string): 'defer_aaaa@$domain'
-expanded: 'defer_aaaa@myhost.test.ex'
+expanded: 'defer_aaaa@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: defer_aaaa@myhost.test.ex
 extract item: defer_aaaa@myhost.test.ex
@@ -357,7 +357,7 @@ checking local_parts
 checking "condition" "${if first_delivery{no}{yes}}"...
 calling cccc_2nd_time router
 rda_interpret (string): '$local_part@$domain'
-expanded: 'cccc@myhost.test.ex'
+expanded: 'cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: cccc@myhost.test.ex
 extract item: cccc@myhost.test.ex
@@ -459,7 +459,7 @@ local_part=cccc domain=myhost.test.ex
 checking local_parts
 calling cccc_redirect router
 rda_interpret (string): 'cccc@$domain, defer_cccc@$domain'
-expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex'
+expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: cccc@myhost.test.ex, defer_cccc@myhost.test.ex
 extract item: cccc@myhost.test.ex
@@ -601,7 +601,7 @@ checking local_parts
 checking "condition" "${if first_delivery{no}{yes}}"...
 calling cccc_2nd_time router
 rda_interpret (string): '$local_part@$domain'
-expanded: 'cccc@myhost.test.ex'
+expanded: 'cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: cccc@myhost.test.ex
 extract item: cccc@myhost.test.ex
@@ -703,7 +703,7 @@ local_part=cccc domain=myhost.test.ex
 checking local_parts
 calling cccc_redirect router
 rda_interpret (string): 'cccc@$domain, defer_cccc@$domain'
-expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex'
+expanded: 'cccc@myhost.test.ex, defer_cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: cccc@myhost.test.ex, defer_cccc@myhost.test.ex
 extract item: cccc@myhost.test.ex
diff --git a/test/stderr/0378 b/test/stderr/0378
index e48fb7e76..dec065131 100644
--- a/test/stderr/0378
+++ b/test/stderr/0378
@@ -40,7 +40,7 @@ deliver defer_aaaa@myhost.test.ex
 save TESTSUITE/test-mail/file
 pipe "/bin/sh -c exit"
 mail subject autoreply
-text "This is an autoreply"'
+text "This is an autoreply"' (tainted)
 data is an Exim filter program
 Filter: start of processing
 Filter: end of processing
@@ -193,7 +193,7 @@ checking local_parts
 checking "condition" "${if first_delivery{no}{yes}}"...
 calling aaaa_2nd_time router
 rda_interpret (string): 'aaaa@$domain'
-expanded: 'aaaa@myhost.test.ex'
+expanded: 'aaaa@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: aaaa@myhost.test.ex
 extract item: aaaa@myhost.test.ex
@@ -230,7 +230,7 @@ deliver defer_aaaa@myhost.test.ex
 save TESTSUITE/test-mail/file
 pipe "/bin/sh -c exit"
 mail subject autoreply
-text "This is an autoreply"'
+text "This is an autoreply"' (tainted)
 data is an Exim filter program
 Filter: start of processing
 Filter: end of processing
diff --git a/test/stderr/0379 b/test/stderr/0379
index 26a225fe2..7c0f0b9e0 100644
--- a/test/stderr/0379
+++ b/test/stderr/0379
@@ -30,7 +30,7 @@ local_part=aaaa domain=myhost.test.ex
 checking local_parts
 calling aaaa_redirect router
 rda_interpret (string): 'bbbb@$domain, cccc@$domain'
-expanded: 'bbbb@myhost.test.ex, cccc@myhost.test.ex'
+expanded: 'bbbb@myhost.test.ex, cccc@myhost.test.ex' (tainted)
 file is not a filter file
 parse_forward_list: bbbb@myhost.test.ex, cccc@myhost.test.ex
 extract item: bbbb@myhost.test.ex
diff --git a/test/stderr/0380 b/test/stderr/0380
index c653fc309..b163d3f99 100644
--- a/test/stderr/0380
+++ b/test/stderr/0380
@@ -33,7 +33,7 @@ r1 router skipped: local_parts mismatch
 local_part=bbbb domain=myhost.test.ex
 checking local_parts
 calling r2 router
-rda_interpret (file): 'TESTSUITE/non-exist/$local_part'
+rda_interpret (file): 'TESTSUITE/non-exist/${bless:$local_part}'
 expanded: 'TESTSUITE/non-exist/bbbb'
 TESTSUITE/non-exist/bbbb does not exist
 ignore_enotdir set => skip checking parent directory
@@ -61,7 +61,7 @@ forced failure in expansion of "${if eq {a}{b}{x}fail}" (address_data): decline
 local_part=aaaa domain=myhost.test.ex
 checking local_parts
 calling r1 router
-rda_interpret (file): 'TESTSUITE/non-exist/$local_part'
+rda_interpret (file): 'TESTSUITE/non-exist/${bless:$local_part}'
 expanded: 'TESTSUITE/non-exist/aaaa'
 TESTSUITE/non-exist/aaaa does not exist
 checking parent directory
diff --git a/test/stderr/0464 b/test/stderr/0464
index 512ed1b58..86e8fe38d 100644
--- a/test/stderr/0464
+++ b/test/stderr/0464
@@ -50,7 +50,7 @@ cached lookup data = data for domain1
 domain1 in "+special_domains"? yes (matched "+special_domains" - cached)
 calling r1 router
 rda_interpret (string): '$local_part@xxx.$domain'
-expanded: 'abc@xxx.domain1'
+expanded: 'abc@xxx.domain1' (tainted)
 file is not a filter file
 parse_forward_list: abc@xxx.domain1
 extract item: abc@xxx.domain1
@@ -117,7 +117,7 @@ cached lookup data = data for domain1
 domain1 in "+special_domains"? yes (matched "+special_domains" - cached)
 calling r1 router
 rda_interpret (string): '$local_part@xxx.$domain'
-expanded: 'abc@xxx.domain1'
+expanded: 'abc@xxx.domain1' (tainted)
 file is not a filter file
 parse_forward_list: abc@xxx.domain1
 extract item: abc@xxx.domain1
diff --git a/test/stderr/0584 b/test/stderr/0584
new file mode 100644
index 000000000..af4f47118
--- /dev/null
+++ b/test/stderr/0584
@@ -0,0 +1 @@
+1999-03-02 09:44:33 10HmaX-0005vi-00 == CALLER@the.local.host.name R=localuser T=local_delivery defer (-1): Tainted 'TESTSUITE/test-mail/CALLER' (file or directory name for local_delivery transport) not permitted
diff --git a/test/stdout/0584 b/test/stdout/0584
new file mode 100644
index 000000000..4e4673def
--- /dev/null
+++ b/test/stdout/0584
@@ -0,0 +1,6 @@
+220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+250 OK
+250 Accepted
+354 Enter message, ending with "." on a line by itself
+250 OK id=10HmaX-0005vi-00
+221 the.local.host.name closing connection