[email protected]:
> Every few hours I get bursts of these from random addresses -- always at
> "poneytelecom.eu" (online.net)
>
> Communicating with abuse@ online.net/poneytelecom.eu is a lost cause.
> They're completely useless.
>
> Is postscreen doing its "best" job here at reducing load? It's clearly not
> passing the attempts through.
So, postscreen is doing its job.
> I'm just wondering if there's any throttling or something else to here?
Why bother? It's doing exactly what it was meant to do; one postscreen
process keeps the zombies away from Postfix SMTP server processes.
Wietse