Author: Steve Kemp Date: To: Hampshire LUG Discussion List Subject: Re: [Hampshire] Server side anti-spam
On Mon Jan 21, 2008 at 21:28:00 +0000, Adrian Bridgett wrote:
> I use greylisting and it is a pain. Particularly when (large)
> providers try sending from IP-address A, then IP-address B, ... (time
> passes) then IP-address A again (now accepted!)
I found that the simplest way to avoid that, whilst still having
some benefit was to key the greylisting soley upon the address of
the sender + the recipient.
(i.e. ignore the IP totally. This handles the case where the
retry changes, and still foils the spammers who don't retry at all.)
