Urban Hillebrand: > Hello list, > > is there a way to enforce TLS dependent on the sender domain?
Yes. Use "check_sender_access" and "reject_plaintext_session". Wietse > Background: > Many customers are using our SMTP infrastructure (opportunistic TLS is > active). Now one customer wants to enforce TLS to a certain destination; > can I do this without affecting all other customers (who might as well > send mails to this destination, but did not ask for enforced TLS)? > > The only ways I can think of involve more SMTP servers (or at least > instances). Is there an easy solution to this? > > Thanks in advance! > >