One of SpamCop's deputies replied to my message about them listing several of AOL's mail servers for the better part of last week. The gist of the reply was that there wasn't a bug, and these servers are listed because they have been witnessed sending spam (though in very low volumes as I had pointed out). This caused me great pause.

I immediately dropped SPAMCOP by another point (now 60% of my hold weight), and replied back with a more passionate/strongly worded suggestion that they fix the issue because it greatly impacts the overall value of what they provide, and by listing such servers along with primary spam sources, they are allowing spammers to "win" by degrading the service with isolated zombies relaying through such mail servers, or allowing small mailings from personal accounts to list the world's largest ISP and negatively affect 99.99% of the legitimate E-mail that was being sent from those servers at the same time (suggesting that this equated to "SPEWS-best practices"). I didn't get a reply back, however currently that one block in question no longer shows any active listings in SpamCop, so I don't know if they took action. Regardless, I doubt they took action to correct the problem service-wide, and therefore I would recommend that everyone review your scoring for SpamCop since less than 10 messages can get a very high volume ISP mail server listed, and considering that more zombies are relaying through such servers (even seen tagged with SMTP AUTH).

I also asked them to give some consideration to exposing the "witnessed" numbers for E-mail and Spam through text records as Scott has said would be helpful, though that request was a little out of place in the context of a larger problem that they should be addressing more directly.

Matt

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