Postfix: Completely Clear Our Mail Queue and Purge Junk Temporary Files

#!/bin/bash
#
# This Will Completely Clear Our Mail Queue and Purge Junk Temporary Files
#
service postfix stop
postsuper -d ALL
postsuper -p
service postfix start
postfix status
mailq
date

Also, the following in /etc/postfix/main.cf will limit the outgoing queue size and control syslog message overload while doing so:

# --

# Try to control queue size

# --

qmgr_message_active_limit = 16

qmgr_message_recipient_limit = 16

qmgr_clog_warn_time = 0