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Re: image spam (and selective greylisting)

From: Noel Jones (njonesmegan.vbhcs.org)
Date: Sat Sep 02 2006 - 13:32:29 CDT


At 01:18 PM 9/2/2006, Rich Wales wrote:
>Ralf Hildebrandt wrote:
>
> > Why would you turn off autowhitelisting?
>
>Since I've restricted my use of greylisting to a subset of
>clients
>-- virtually all of which can be expected to be
>illegitimate -- I
>didn't see any real need to train Postgrey to bypass any
>of them.
>
>I suppose a counterargument could be made that since
>current spam
>zombies almost never retry after an initial temporary delivery
>failure, spam sites aren't going to build up a track record of
>successful deliveries, so they won't get auto-whitelisted
>anyway,
>so there's no point in disabling the auto-whitelisting feature.

My opinion is that greylist autowhitelisting has nothing to
do with the "spaminess" of a client, it simply indicates
that greylisting is not effective for stopping that
client. I can't imagine any reason to turn off
autowhitelisting.

--
Noel Jones