Do you have any tips for rejecting email messages using PreciseMail PTSMTP?
A. For those of you using PMAS PTSMTP, there are some rules you can add to your 00_ALLOWBLOCKLISTS.CF file to reject messages that don’t adhere to the SMTP RFCs properly. The RFCs for SMTP mail don’t encourage doing what I’m about to suggest, but there’s no denying that they block a *lot* of spam. For most of the rules to follow (and I’ll point out the exception), I’ve never seen a legitimate message rejected. (These rules can be modified for PMDF sites, but you don’t get the benefit of being able to reject messages.) ———————————————————— Checking the HELO/EHLO line The HELO/EHLO command has one parameter, which is *supposed* to be the name of the system initiating the SMTP connection (the client).
