Author: Suresh Ramasubramanian Date: To: exim-users Subject: Re: [Exim] Checking against "seen" Message-ID:'s to drop bounces
Christian Balzer wrote:
> Did I miss some long, shrill and painful thread where greylisting
> was branded as another bane of the internot like SPF or callout
> verifications? (and for the record, I would agree with that assessment
> for the later two, in varying degrees though)
It does tend to be difficult to scale across anything but a single box
And it slows down delivery from legitimate providers just so that grief
can be caused to the spammers - which is bad again.
