We receive AMP alerts frequently for malware attached to e-mail.  We aren't concerned so much about that malware because our filter is excellent at dropping those messages.  However, the alerts don't tell us enough information because they're cut off...

I apologize in advance if this is an easy question, but our IronPort configuration has been working fine and we haven't had to change much (if any) since I took over.  We have a C360 and what I'm looking to do is explicitely block mail coming from a ...