>> But we have a number of servers that for various dumb reasons want
>> to speak SMTP after a TLS negotation has taken place.
>
>There's nothing dumb about avoiding downgrade attacks.  At least one
>major cable ISP in western Canada deleted (and maybe still does) the
>STARTTLS capability from the EHLO responses on port 587 connections
>through their network.  Switching to smtps fixes that right quick.

AFACT, it's pretty easy to avoid that problem (do we get that right?
We do!).

--Ken

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