Wondering if you're also testing SpamCop, http://www.spamcop.com. The work of a Seattleite named Julian Haight, http://www.julianhaight.com, and have any comment.
Dan Wilder <dan@ssc.com> replied:
I haven't evaluated it, but I'm afraid I've a bit of a bone to pick with it. False positives are not unknown. Worse, it sends automatic anonymous complaints to upstream providers of anybody even mentioned in the putative spam.
In addition to this, they also have another way for wasting your time...
They also have a blackhole list of mailservers that relay spam. For example if you have a list-owner who reports a spam which has come to him through the list-owner address, then your mailing list server qualifies for the blacklist. Well, maybe they've changed the system in the meantime, but when they blacklisted one of my servers, that happened because of just one single spam report. Of course the list-owner was just trying to be a good netizen. (This was a backup server which doesn't normally process lots of mail, but it is not acceptable for it to be on any blacklists, since it might possibly be necessary to move a large number of active lists to that server on short notice.) I wasted half a night on figuring out how to get it off that blacklist without waiting for a whole week. (That is supposed to be impossible, but I eventually found a way that worked.)
I'm normally friendly to all and every effort to combat spam, but SpamCop really got on my nerves by blacklisting that backup server for no good reason.
Greetings, Norbert.
-- A member of FreeDevelopers and the DotGNU Steering Committee: dotgnu.org Norbert Bollow, Weidlistr.18, CH-8624 Gruet (near Zurich, Switzerland) Tel +41 1 972 20 59 Fax +41 1 972 20 69 http://thinkcoach.com Your own domain with all your Mailman lists: $15/month http://cisto.com