"NS" <go.away@nobody.here.com> writes:

> What I would find really useful is if there was a way to have a list of "non
> existing emails". Any RCPT TO: that would match in the file would be replied
> as "No such username" and denied.

Sorta like this?

http://patch.be/qmail/

--
Dave Sill Oak Ridge National Lab, Workstation Support
Author, The qmail Handbook <http://web.infoave.net/~dsill>
<http://lifewithqmail.org/>: Almost everything you always wanted to know.