>Qmail ( which i know very few ) seem a bit autistic when talking >to non FQDN distants servers or with MX misconfigured.
I'm not surprised, it's pretty picky about non-standard behavior. >my idea is to add a postfix instance on this machine which will >send emails to the Internet. > >In my plan Qmail will inject all outgoing SMTP traffic into Postfix >instance that will send it outside . That's pretty straightforward. One way is to set up postfix listening on a local port, say 2525, then in /var/qmail/control/smtproutes put :127.0.0.1:2525 to tell it to send all mail via SMTP to the postfix listener.