The main purpose of this entry is to remind me to tidy up this plugin so I can bung it on the website at point, as I figure it might come in useful to someone 
Basically it allows you to monitor queue size and viruses detected by MailScanner in Nagios and have it alert you if it goes over the usual thresholds. It works by having a small program running on each mailhub which the server running Nagios connects to, to grab the data. We’ve been using the original curses monitor that talks to this for over a year now and has come in handy for detecting departments going a bit mad with mass emails Slight bug to work out on the mailhub program as the thread that tails the logs (to get the data) falls over now and again, which is a pain. Need to put in some code to check the process status. If I ever get some free time 