Greets,We've run into a problem which is only getting worse; spammers are bypassing our spam appliance, which sits in front of our CiommuniGate Pro server. The only MX Record for our domain points to the appliance, so I'm guessing that these spammers...

Greets. I have a question on MX Records. I'm 95% certain of the answer, I just want a sanity check.Our email domain matches the hostname of our mail server. eg, user@mail.domain.com is handled by our server mail.domain.com.We have a C350 (ironport.do...