Re: [Uta] REQUIRETLS: another SMTP TLS mechanism

"John Levine" <johnl@taugh.com> Fri, 25 March 2016 15:47 UTC

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Date: Fri, 25 Mar 2016 15:47:24 -0000
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From: John Levine <johnl@taugh.com>
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Subject: Re: [Uta] REQUIRETLS: another SMTP TLS mechanism
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>- The draft does not mention alias-style forwarding done by an MTA;
>  perhaps it could?  A 1-1 alias would seems to be easily covered,
>  but 1-to-many (mail-exploder) aliases may need more thought.

The whole draft presumes that intermediate hops will follow
instructions from the sender, without providing any benefit to those
intermediate hops.

Experience suggests this is not a great model.

R's,
John