1st commit

stuckpostfix.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+ # 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.
+ 
+QUEUE=$(mailq | grep -c "^[A-F0-9]")
+TIME=$(date)
+#echo $QUEUE
+
+if [ "$QUEUE" -eq "0" ];then
+  echo "OK";
+else
+  echo "Stuck mail queue detected, restarting postfix...";
+  systemctl restart amavis;
+  systemctl restart postfix;
+  mail -s "[$(hostname)] Mail server restarted due to stuck deferred messages in queue" areait@runpolito.it <<< "There were $QUEUE messages stuck in Postfix's queue. An automatic mail server restart attempt has been done. Timestamp: $TIME";
+  postqueue -f;
+fi