Re: [ietf-smtp] Public Key Look Up

John R Levine <johnl@taugh.com> Wed, 12 May 2021 16:25 UTC

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Date: Wed, 12 May 2021 12:25:00 -0400
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From: John R Levine <johnl@taugh.com>
To: John C Klensin <john-ietf@jck.com>, ietf-smtp@ietf.org
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Subject: Re: [ietf-smtp] Public Key Look Up
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On Tue, 11 May 2021, John C Klensin wrote:
>>> I'm not clear why a domain's MX would be the wrong place. ..,

> Well, if the keys were signed by entities I trusted, I wouldn't
> be worried about what "authoritative source" means.  And if they
> weren't, not only would I not like that, but it would probably
> turn the whole idea into theater rather than security.

Indeed.  But if the keys include signatures, it doesn't matter where they 
come from, so we're back to asking why nobody seems to use the key servers 
that already exist.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly