Re: [Asrg] An Anti-Spam Heuristic

Chris Lewis <clewis+ietf@mustelids.ca> Fri, 14 December 2012 04:07 UTC

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Subject: Re: [Asrg] An Anti-Spam Heuristic
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On 12-12-13 08:26 PM, Michael Thomas wrote:

> If tarpitting and other such things were the FUSSP, then everybody would
> use them,
> and the unicorns would come out of hiding. If spammers haven't adjusted
> their botnet
> software, then it really says that there's no evolutionary pressure for
> them to do so.
> If there is, they will do so. What else would they do? Go out of
> business? They aren't stupid.

Enough of them have changed to indicate that there is _some_ pressure.

Indeed, pure botnet was, until recently, generally responsible for
85-95% of all spam.

Right now, tho, it's about 40% compromised Linux _servers_.

Yes.  Really.