On Thu, Feb 12, 2009 at 07:13:19AM -0500, Wietse Venema wrote: > 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".
Thank you Wietse, but isn´t this a smtpD setting? My problem is about outgoing mails. We act as SMTP relay for our customers, who want to send TLS encrypted SMTP to destinations in the internet. Sorry if I wasn´t clear. [...] > > 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?
