.include stdflags
.include stdmacs
+.include ./local_params
.docbook
. /////////////////////////////////////////////////////////////////////////////
<?sdop
foot_right_recto="&chaptertitle;"
foot_right_verso="&chaptertitle;"
- table_warn_soft_overflow="no"
+ table_warn_overflow="overprint"
toc_chapter_blanks="yes,yes"
toc_title="Exim's interfaces to mail filtering"
?>
.endmacro
. ===========================================================================
+. Copyright year. Update this (only) when changing content.
+
+.macro copyyear
+2021
+.endmacro
+
+. ===========================================================================
. /////////////////////////////////////////////////////////////////////////////
. /////////////////////////////////////////////////////////////////////////////
<bookinfo>
<title>Exim's interfaces to mail filtering</title>
<titleabbrev>Exim filtering</titleabbrev>
-<date>23 November 2009</date>
+<date>
+.fulldate
+</date>
<author><firstname>Philip</firstname><surname>Hazel</surname></author>
<authorinitials>PH</authorinitials>
<revhistory><revision>
- <revnumber>4.77</revnumber>
- <date>10 Oct 2011</date>
+.versiondatexml
<authorinitials>PH</authorinitials>
</revision></revhistory>
-<copyright><year>2010</year><holder>University of Cambridge</holder></copyright>
+<copyright><year>
+.copyyear
+ </year><holder>The Exim Maintainers</holder></copyright>
</bookinfo>
.literal off
.chapter "Forwarding and filtering in Exim" "CHAPforandfilt"
This document describes the user interfaces to Exim's in-built mail filtering
-facilities, and is copyright © University of Cambridge 2007. It
-corresponds to Exim version 4.77.
+facilities, and is copyright © The Exim Maintainers ©year(). It
+corresponds to Exim version &version().
&`e.g. logwrite "$tod_log $message_id processed"`&
.endd
It is possible to have more than one &(logfile)& command, to specify writing to
-different log files in different circumstances. Writing takes place at the end
+different log files in different circumstances.
+A previously opened log is closed on a subsequent &(logfile)& command.
+Writing takes place at the end
of the file, and a newline character is added to the end of each string if
there isn't one already there. Newlines can be put in the middle of the string
by using the &"\n"& escape sequence. Lines from simultaneous deliveries may get
.endd
For a &"matches"& test, after expansion of both strings, the second one is
-interpreted as a regular expression. Exim uses the PCRE regular expression
+interpreted as a regular expression. Exim uses the PCRE2 regular expression
library, which provides regular expressions that are compatible with Perl.
The match succeeds if the regular expression matches any part of the first