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Posted in Turing test challenges spam filters
Posted Friday 6th July 2007 16:35 GMT
Morely Dotes

It's irrelevant here

We block the ISP sending the spam (or a /24 if it's a huge ISP), so spammers have to keep infesting more zombies. The same ISPs - a group of about a dozen - are responsible for 99% of the spam not coming from Asia. Of course, Asian IP space is block-on-sight.

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