> spam. My idea is to find a way to tweak (or apply an existing patch > to) mailman so that messages marked as spam get discarded > automatically
mailman on my mailserver (Ubuntu Dapper out of the box) has this option: Privacy options... [Spam filters] Header filters Filter rules to match against the headers of a message. In my case, I use the following: regex: Subject:.*\{Spam\?\} Action: reject