Official distribution site for Procmail.

A collection of useful tips on using Procmail.

This article will quickly get you up and running with Procmail. By Nancy McGough, of Filtering FAQ fame. (Contents are partially the same as in the Filtering Mail FAQ, too.)

Procmail description and links to procmail program, documentation, and discussion groups.

Searchable MHonArc archive of the Procmail mailing list -- goes back to 1995

Contains the FAQ, a links collection, and Quickref

Discusses positive uses.

A general introduction to mail filtering on Unix, with information about Procmail, filter, and mailfilter. (Slightly old and apparently no longer maintained, but still an excellent introduction.)

A procmail-based filter system for bulk, unsolicited e-mail.

A quick reference to Procmail's recipe syntax.