[Mimedefang] greylisting does it still work?

[Jeff Rife]

On 18 Apr 2007 at 8:59, David F. Skoll wrote:

> In our commercial product, we have noticed that ratware is taking
> specific anti-greylisting measures, retrying 5 times, 5-15 minutes
> apart each time .  However, the ratware mutates the message, so we are
> modifying our greylist tuple to be (source_ip, envelope_sender,
> envelope_recipient, message_subject)

Do you have any extra problems with mailing lists or similar automated 
(but legitimate) systems with this approach?  I'd guess that they'd be 
covered by the same whitelist you need for Yahoo groups, etc., but I 
haven't examined it carefully.


--
Jeff Rife |  
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