Ed W: > On 13/03/2012 23:50, Wietse Venema wrote: > > #submission inet n - n - - smtpd > > # -o syslog_name=postfix/submission > > # -o smtpd_tls_security_level=encrypt > > I forget the exact details now, but one mail client, I think it might be > an Android or iPhone mail client(?) defaults to using the submission > service but without encryption. The error messages were confusing and > unhelpful to the customer and I just recall it took some time to realise > that it was the enforced tls requirement that was the problem > > I see no reason to *require* encryption on the submission port (RFC > aside). I think "may" is a more appropriate default?
That's not a problem for me. I don't use the submission service and rely on input from the real world for this. Wietse