mailing list filter with procmail

See http://pm-doc.sourceforge.net/pm-tips.html section 11.0

An interesting mini FAQ lies there: http://laku19.adsl.netsonic.fi/%7Eera/procmail/mini-faq.html

This is actually a procmail module which do the job.
The procmail modules seems to be tackled there: http://pm-lib.sourceforge.net/
Go to the download page and fetch this from sourceforge.

In my case, I am just trying to filter majordomo mailings, and this simply work:

:0 : # Majordomo lists
* ^Sender: owner-\/[-a-zA-Z0-9_.]*
list.$MATCH.mbox