> So, do I need the qmail-smtpd up and running at all?
No. qpsmtpd was originally designed to be a drop-in replacement for
qmail-smtpd. It will for example read the same configuration files
as qmail-smtpd does (plus the ones special to qpsmtpd).
> Could I just disable the qmail-smtpd and make qpsmtpd listen on port
> 25?
You can. You just need to configure qpsmtpd to queue mail to qmail using
the appropiate queue plugin for qmail. This is very simple and much less
error prone than the smtp-forward method.
Regards
Michael
--
It's an insane world, but i'm proud to be a part of it. -- Bill Hicks