ale @ proto:
> I reviewed my logs today and I saw a lot of connections from a bunch of
> MS outbound gateways before entering the "postgrey layer".
>
> Once postscreen marked one of these gw PASS OLD postgrey put the message
> in greylist (default 5 mins), but it expects another connection within
> (better: after!) this time. This gw "disappeared" for 12 hours instead,
> while another bunch of gateways hit my server.
Do not greylist sites that have many *different*
outbound MTA IP addresses. This is a greylisting problem,
not postscreen,
Wietse
