> 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
