Curtis:
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> On Sat, May 9, 2009 at 7:38 PM, Wietse Venema <wie...@porcupine.org> wrote:
> > Curtis:
> >> > Companies that provide out-sourced email filtering service often
> >> > don't have up-to-date recipient lists. Instead they verify addresses
> >> > in real-time. ?The Postfix implementation of this is described in
> >> > http://www.postfix.org/ADDRESS_VERIFICATION_README.html. ?It supports
> >> > routing overrides, positive caching and negative caching.
> >>
> >> Yeah, I looked at that option too... but the part about getting black
> >> listed didn't sound too appealing. ?(Some clients will be able to
> >> whitelist our server's IP, but we expect that a few of our clients
> >> will be on shared hosts were they will have little to no control of
> >> such things.)
> >
> > Blacklisted by whom? By your own customer? That would be stupid.
>
>
> It would be unintentional, of course, and not by any action of our
> direct customers. As I said, there are millions of domains out there
The proposed solution is RECEIVER address verification.
The README discusses getting blacklisted for SENDER address
verification.
Please do not confuse RECEIVER with SENDER.
Wietse
