[Mimedefang] early experiences with grey listing
David F. Skoll
dfs at roaringpenguin.com
Fri Jan 14 11:22:53 EST 2005
On Fri, 14 Jan 2005 WBrown at e1b.org wrote:
> On some of the CanIT Pro streams we have do not see ANY hit and run
> attempts, which tells me that some of the spammers are adapting to grey
> listing.
Well, CanIt-PRO won't greylist messages that get split into multiple streams,
so it could be that the streams without hit-and-runs are ones that get spam
as cc's to other people to.
But I expect that spammers will adapt, and that greylisting as we know it
will gradually lose effectiveness.
Regards,
David.
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