zabbix-agent-addons/zabbix_scripts/check_qmail_sudo

#!/bin/bash

case $1 in
  queue_local)
    /usr/bin/qmqtool -s | perl -ne 'm/^Messages with local recipients: (\d+)/ && print $1'
  ;;
  queue_remote)
    /usr/bin/qmqtool -s | perl -ne 'm/^Messages with remote recipients: (\d+)/ && print $1'
  ;;
  queue_total)
    /usr/bin/qmqtool -s | perl -ne 'm/^Total messages in queue: (\d+)/ && print $1'
  ;;
  *)
    echo 'ZBX_NOTSUPPORTED'
  ;;
esac