Ive written a few plugins that check the health of a Barracuda SPF appliance. They're in (bad) perl but seem to do the job pretty well
The first, to check the RPM of the CPU and System Fans has been accepted into the NagiosExchange site and is listed as:
The others, which check the 3 mail queues, and the CPU temperature have been submitted but not yet approved.
I'll update here when they are released.
