#!/bin/bash

count=$(mailq | grep -c "^[A-F0-9]");

if [ $count -ge 500 ]
then
	echo "CRITICAL: Mail queue exceeded 500 : Mailqueue = $count"
        exit 2
elif [ $count -ge 300 ] && [ $count -lt 500 ]
then
        echo "WARNING:  Mail queue exceeded 300 : Mailqueue = $count"
        exit 1
else
echo "OK: Mail queue is okay"
fi
