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Re: [Nmh-workers] mts.conf that works with fastmail?
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From: |
Ken Hornstein |
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Subject: |
Re: [Nmh-workers] mts.conf that works with fastmail? |
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Date: |
Mon, 23 May 2016 15:00:14 -0400 |
>> 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