#!/bin/sh FILTER=/usr/bin/bogofilter FILTER_DIR=/var/spool/filter # WARNING! The -i is crucial, else you may see # messages truncated at the first period that is alone on a line # (which can happen with several kinds of messages, particularly # quoted-printable) POSTFIX="/usr/sbin/sendmail -i" export BOGOFILTER_DIR=/home/bogofilter # Exit codes from <sysexits.h> EX_TEMPFAIL=75 EX_UNAVAILABLE=69 cd $FILTER_DIR || \ { echo $FILTER_DIR does not exist; exit $EX_TEMPFAIL; } # Clean up when done or when aborting. trap "rm -f msg.$$ ; exit $EX_TEMPFAIL" 0 1 2 3 15 # bogofilter -e returns: 0 for OK, nonzero for error rm -f msg.$$ || exit $EX_TEMPFAIL $FILTER -p -u -e > msg.$$ || exit $EX_TEMPFAIL exec <msg.$$ || exit $EX_TEMPFAIL rm -f msg.$$ # safe, we hold the file descriptor exec $POSTFIX "$@" exit $EX_TEMPFAIL