Florin Andrei: > I've a Linux machine which is used as a final destination for test > emails. Some local inboxes are created, local delivery via Dovecot to IMAP. > > I want this machine to never send out any email whatsoever. Never relay. > Accept inbound messages, deliver locally to IMAP - all that is fine. But > no message should ever leave this box, for no reason, even if it's a > notification for delivery error.
Turn off the SMTP client in master.cf. Wietse > I could block outbound port tcp/25 with iptables, but it seems inelegant. > > Would this do the trick? > > default_transport = error:no outbound emails, sorry > > -- > Florin Andrei > http://florin.myip.org/ >