"Steffen Heil" <lists@???> said, in message
E1DiLai-0000TN-Js@???:
> I am planing some greylisting experiments on my servers.
> So I thought to ask, how other do it (successfully).
We've been using it for nearly two years, with great success (using
my own implementation, available at
http://users.aber.ac.uk/auj/spam/
> What do you take into account?
> - Recipient Address ?? - yes, propably
Yes
> - Sender Address ??
Yes
> - Sending Host ??
No
> - Sending Host's subnet ??
No
> - Sending Host's HELO name ??
No
We found that using the IP address or even the subnet caused problems
with mail from large ISPs with clustered outbound servers handling a
centralised queue.
> How long do you accept mails from recorded tuples?
> - 2 hours after first try?
> - 2 weeks after first delivered mail?
4 days. We started out with 4 hours and received complaints. I
increased it to 1 day and still received complaints. Since I upped
it to 4 days we've been fine.
> After what time do you drop tuples?
> - 7 days?
36 days.
> How do you evaluate that information?
> - exim's included perl?
> - external scripts?
> - localscan extensions?
> - socket_reads for runnings daemons?
This one!
> - stored procedures?
Cheers,
Alun.
--
Alun Jones auj@???
Systems Support, (01970) 62 2494
Information Services,
University of Wales, Aberystwyth