Rewrites: avoid a split log line when rewiting hits a malformed address. Bug 3160

[exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index cc801a3a517270cd9b8ac6fd82fbc9b0eae77689..2c90ec5f3ef4bf877f999beddf30fd60e5c9e688 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -16640,15 +16640,21 @@ See also the ACL modifier &`control = suppress_local_fixups`&. Section
 .option localhost_number main string&!! unset
 .cindex "host" "locally unique number for"
 .cindex "message ids" "with multiple hosts"
+.cindex multiple "systems sharing a spool"
+.cindex "multiple hosts" "sharing a spool"
+.cindex "shared spool directory"
+.cindex "spool directory" sharing
 .vindex "&$localhost_number$&"
 Exim's message ids are normally unique only within the local host. If
-uniqueness among a set of hosts is required, each host must set a different
+uniqueness among a set of hosts is required
+(eg. because they share a spool directory),
+each host must set a different
 value for the &%localhost_number%& option. The string is expanded immediately
 after reading the configuration file (so that a number can be computed from the
 host name, for example) and the result of the expansion must be a number in the
 range 0&--16 (or 0&--10 on operating systems with case-insensitive file
 systems). This is available in subsequent string expansions via the variable
-&$localhost_number$&. When &%localhost_number is set%&, the final two
+&$localhost_number$&. When &%localhost_number%& is set, the final four
 characters of the message id, instead of just being a fractional part of the
 time, are computed from the time and the local host number as described in
 section &<<SECTmessiden>>&.
@@ -36455,8 +36461,6 @@ other MTAs, the way Exim handles line endings for all messages is now as
 follows:
 
 .ilist
-LF not preceded by CR is treated as a line ending.
-.next
 CR is treated as a line ending; if it is immediately followed by LF, the LF
 is ignored.
 .next
@@ -36471,7 +36475,10 @@ people trying to play silly games.
 .next
 If the first header line received in a message ends with CRLF, a subsequent
 bare LF in a header line is treated in the same way as a bare CR in a header
-line.
+line and a bare LF in a body line is replaced with a space.
+.next
+If the first header line received in a message does not end with CRLF, a subsequent
+LF not preceded by CR is treated as a line ending.
 .endlist
 
 
@@ -39054,7 +39061,7 @@ selection marked by asterisks:
 .irow &`deliver_time`&                 &nbsp; "time taken to attempt delivery"
 .irow &`delivery_size`&                        &nbsp; "add &`S=`&&'nnn'& to => lines"
 .irow &`dkim`&                         *       "DKIM verified domain on <= lines"
-.irow &`dkim_verbose`&                 &nbsp; "separate full DKIM verification result line, per signature"
+.irow &`dkim_verbose`&                 &nbsp; "separate full DKIM verification result line, per signature; DKIM signing"
 .irow &`dnslist_defer`&                        *       "defers of DNS list (aka RBL) lookups"
 .irow &`dnssec`&                       &nbsp; "DNSSEC secured lookups"
 .irow &`etrn`&                         *       "ETRN commands"
@@ -39180,6 +39187,10 @@ verifies successfully a tag of DKIM is added, with one of the verified domains.
 .cindex log "DKIM verification"
 .cindex DKIM "verification logging"
 &%dkim_verbose%&: A log entry is written for each attempted DKIM verification.
+.new
+Also, on message delivery lines signing information (domain and selector)
+is added, tagged with DKIM=.
+.wen
 .next
 .cindex "log" "dnslist defer"
 .cindex "DNS list" "logging defer"