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/
>
