qmail-qstat

#!/bin/bash
if [ "$1" = "config" ] ; then
        echo 'graph_title qmail-qstat'
        echo 'graph_order messages'
        echo 'graph_vlabel Messages'
        echo 'graph_category qmail'
        echo 'messages.label msgs'
        echo 'messages.warning 200'
        echo 'messages.critical 500'
        exit 0
fi
echo "messages.value `/var/qmail/bin/qmail-qstat | grep e: | awk '{print $4}'`"

[qmail*]
user root