On Thu, Feb 10, 2011 at 02:33:09PM +0000, Craig Waddington wrote:
> I am trying out the postscreen server - and am very impressed
> so far. My original interest was in greylisting - so I have the
> deep protocol tests turned on so that the temporary failure code
> 45x is returned for non-whitelisted clients.
>
> During my testing - I noticed that the small trickle of spam
> that still makes it past postscreen reattempts immediately
> after a 45x with no delay, whereas genuine mail will wait at
> least a few minutes before reattempting after a 45x.
Could you share logs and spam samples for these? Thanks.
IME with greylisting, which admittedly was not very recent, delay
time length was insignficant. A 5-second delay was as good as 5
minutes. Some bots retried, others did not.
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