Multi (split) image spam

[Hugo van der Kooij]

On Sun, 6 May 2007, Andrew MacLachlan wrote:

> Some of the spammers are doing resends though to get around greylisting - this is a worrying trend, however it also means that they can only send half as many from each bot...
>
> Maybe time to re-tune the greylisting software so it does a second 450 before it finally accepts a sender?

Most greylisting solutions I have seen use a time window. So you need to 
resend it after the timewindow or you will still hit the greylist.

Hugo.

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