[ Thanks to Falko
Timme for this link. ]
“In this guide you will learn how to tweak the HowtoForge mail
guide for Postfix (+Auth SMTP + Quota) setup to give better Virus
protection. Sadly this always comes at a price as you will see
later on…“The Falko HowtoForge guide is great starter for a default
Postfix installation but if you want to achieve business grade
antivirus we need to do a few small things so that there is less
chance of the latest greatest script kiddie invention getting
through…”