1st commit

postfix_disclaimer.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+ # This file is part of a collection of bash scripts written and used by me which may be handy in server administration.
+ #
+ # (c) Corrado Mulas <tlc@mulas.me>
+ #
+ # For the full copyright and license information, please view the LICENSE
+ # file that was distributed with this source code.
+ 
+#Adds custom user signature (e.g. corporate signature with corporate/user contacts) to outgoing mail
+
+INSPECT_DIR=/var/spool/filter
+SENDMAIL=/usr/sbin/sendmail
+UID=$(uuidgen)
+DISCLAIMER_ADDRESSES=/etc/postfix/disclaimer_addresses
+
+EX_TEMPFAIL=75
+EX_UNAVAILABLE=69
+
+trap "rm -f in.$$" 0 1 2 3 15
+
+cd $INSPECT_DIR || { echo $INSPECT_DIR does not exist; exit
+$EX_TEMPFAIL; }
+
+cat >in.$$ || { echo Cannot save mail to file; exit $EX_TEMPFAIL; }
+
+from_address=`grep -m 1 "From:" in.$$ | cut -d "<" -f 2 | cut -d ">" -f 1`
+
+if [ `grep -wi ^${from_address}$ ${DISCLAIMER_ADDRESSES}` ]; then
+/etc/postfix/your_signature_generator_script --user=$from_address --uuid=$UID
+
+/usr/bin/altermime --input=in.$$ \
+                   --disclaimer=/etc/postfix/filter/$UID.txt \
+                   --disclaimer-html=/etc/postfix/filter/$UID.htm --force-for-bad-html --force-into-b64
+
+rm /etc/postfix/filter/$UID.htm
+rm /etc/postfix/filter/$UID.txt || \
+                     { echo Message content rejected; exit $EX_UNAVAILABLE; }
+rm /etc/postfix/filter/$UID.htm
+rm /etc/postfix/filter/$UID.txt
+fi
+
+$SENDMAIL -oi "$@" <in.$$
+
+exit $?