MacOS: probe for a usable TFO system configuration

[exim.git] / doc / doc-txt / experimental-spec.txt

diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 7805c258e3404b7442c5952ec7876b2030ddf69a..49935fb401e2a0523c1e2c743371da536f5c8ce4 100644 (file)
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -447,11 +447,19 @@ dmarc_history_file  Defines the location of a file to log results
                     directory of this file is writable by the user
                     exim runs as.
 
-dmarc_forensic_sender The email address to use when sending a
+dmarc_forensic_sender Alternate email address to use when sending a
                     forensic report detailing alignment failures
                     if a sender domain's dmarc record specifies it
                     and you have configured Exim to send them.
-                    Default: do-not-reply@$default_hostname
+
+                   If set, this is expanded and used for the
+                   From: header line; the address is extracted
+                   from it and used for the envelope from.
+                   If not set, the From: header is expanded from
+                   the dsn_from option, and <> is used for the
+                   envelope from.
+
+                    Default: unset.
 
 
 3. By default, the DMARC processing will run for any remote,
@@ -795,7 +803,7 @@ standard header.
        Note that it would be wise to strip incoming messages of A-R headers
        that claim to be from our own <admd-identifier>.
 
-There are three new variables: $arc_state, $arc_state_reason, $arc_domains:
+There are four new variables:
 
   $arc_state           One of pass, fail, none
   $arc_state_reason    (if fail, why)