First of all, get to know their site.
http://www.stbernard.com/
Second, do you know these systems actually do? You didn't mention what they were at all. I thought it was SPAM while I was reading it.
For those who're as lazy as I'd be, St Bernard Systems makes web and email filtering systems called iPrism.
Wes, first get to know their documentation for their products. Since you didn't mention a specific system that I saw, I've included links below to the documentation for both their web and email filtering systems.
http://www.stbernard.com/products/suppo ... tation.asp
http://www.stbernard.com/products/suppo ... tation.asp
After that, if you still have any questions that you can't test yourself (VMs are your friend), then you can email their support department and I'm sure the can either help you directly or put you in touch with someone/something that can.