Re: Understanding the importance of submission

[A. Schulze]

Am 20.03.19 um 16:18 schrieb Patrick Ben Koetter:
> Use submission on TCP/587 for MUA to MTA traffic.

Btw:

RFC 8314 describe Implicit TLS for POP3, IMAP and Submission
on ports 995, 993 and 465. Works fine the usual modern MUAs
and eliminate the opportunity for downgrades while talking plaintext+STARTTLS

Andreas