On Thu, 25 Oct 2018, Thomas Bourdon wrote:
Is there a way to allow tlsv1.0 minimum for unauth connection and
allow tlsv1.2 minimum for auth connection on port 465 ?
Le 25.10.2018 15:00, B. Reino a écrit :
Why would you want unauthenticated connections on port 465? (smtps).
It's AFAIK a submission port.
On 25.10.18 15:05, Thomas Bourdon wrote:
Because mail providers send mail to my smtp server through this port,
don't they ?
well, do they? are you sure?
maybe port 465 was originally taken (by microsoft, btw) for server-to-server
smtp over ssl, but I think I ever saw anyone using it as such.
for now, many companies use port 465 as authenticated submission-only port.
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