In article <Pine.LNX.4.58.0404130745290.9371 at shishi.roaringpenguin.com> you wrote: > I think a DB of known spam URL's is safe. That's how I read things for the SURBL plugins. It sounds like it's essentially a DNS based RBL for the URLs found in the body of messages. > Following URL's makes me nervous... I don't believe that's the way SURBL is supposed to work.