Mail: Filter and Forward Mail/Procmail Mail Filter · Issue #37 · webmin/usermin · GitHub
Mail filtering through Procmail : exit code handling | by Oleksandr Iegorov | Medium
Check your email into git using procmail | Mike Burns, Coder
Procmail strategies against spam
SEASURF SELF-CONTROLLED SPAM FILTER Please e-mail us at support @ seasurf.net if you do not completely understand the following and would prefer that we set this up for you. I know that a lot of you just want the quick instructions, so here they are ...
Add SpamAssassin at Postfix email server
Network Administration Practice Homework4 – Mail System - ppt download
Configuring procmail with The Dotfile Generator | Linux Journal