There is a "Sender:" header entry I can filter on. But I do not setup anything because I don't case the problem.
Btw: It is nice that all of you using Gnus and (maybe) a local mailserver with powerfull filtering. I don't. It is kind of a religious problem. :D Isn't there a setting on the mailinglist site (e.g. mailman) that can handle problems like this? Kind
