Procmail
from HTYP, the free directory anyone can edit if they can prove to me that they're not a spambot
{{#set:page type=article}} {{#set:thing type=software}} {{#set:license=open source}}
About
Procmail is a mail delivery agent (MDA) with advanced filtering and sorting abilities. It is stable, and included as an official part of the Ubuntu distribution (and presumably others), but its last official update was version 3.22 on 2001-09-10.
