I finally have a reason to kill-file someone in Usenet, but I don't know how to go about this in Mozilla. It seems like a filter is the closest thing there is, but they are only defined under mailboxes. How do I put someone in a kill file so I don't have to see their offensive messages?
-- 6e77a 70 6e 6e7a! Remove the _no_spam_ from my email address to reach me.
