What is the simplest way to check and make sure the Exchange plugin is doing its job? Is there any key phrase or something of that nature that could be sent via e-mail and trigger a positive?
Yes, of course. That’s what the “Eicar” test file is for.
http://www.eicar.org/anti_virus_test_file.htm (scroll down for the download link)
You could also visit, http://www.gfi.com/emailsecuritytest/
Thanks, guys. Those are perfect.