CT a écrit :
> I have several boxes that "check" my relay every 40 seconds to
> check that the server is up.
>
> After multiple attempts to get the number of checks reduced I would
> like the know the preferred way to block specific IP addresses in Postfix.
>
> I have no issue with checks.. but every 40 seconds is ridiculous.
>
the first answer is: try to reach their abuse/postmaster. if you fail,
then firewall them. if so, just DROP their traffic (this will cause more
delay on their side). you can also redirect their traffic to a "slow
silly server" ("torture server").
