Most of you probably already know. Let me say it again anyway:

Project Honeypot is now tracking comment spammers and (here's the really interesting part) offers a IP-based RBL that can be used to fight link spam. Simply check your visitors' IP addresses against the http:BL and send away any matching addresses.

You have to have an active honeypot on one of your sites to be able to participate, but anyone should have one anyway.

Although I cannot find any official figures, it seems to me that the list of comment spammers is growing very fast. I didn't catch many spammers with the http:BL in the first couple of days after implementing it on the chongqed.org wiki, but now I am seeing many many more being caught by a simple IP-lookup.

You can check out our CaughtSpam page to see the effect.

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