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by dredmorbius 4437 days ago
Doh! Yes. :25.

By "secure port", I mean forcing encryption of all over-the-wire traffic. It's happening now in many cases with STARTTLS (modulo utter brokenness of the CA and SSL/TLS systems), but that's still only opportunistic.

And of course, encrypting payloads would be vastly preferable. Headers as well other than absolutely required for delivery.