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Re: [ietf-smtp] why are we reinventing mta-sts ?

"John R Levine" <johnl@taugh.com> Mon, 07 October 2019 00:10 UTC

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Date: Sun, 06 Oct 2019 20:10:15 -0400
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From: John R Levine <johnl@taugh.com>
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Subject: Re: [ietf-smtp] why are we reinventing mta-sts ?
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In article <aa7a9556-ad45-3891-95ab-31949c44a5ab@network-heretics.com>,
> ... If an MX record with target smtps- or starttls- isn't signed
> using DNSSEC, it's not clear that the client should trust the smtps- or
> starttls- prefix, and that the client should drop mail that can't be
> relayed that way.??...

What's wrong with MTS-STS defined in RFC 8461?

It's defined, it works, it's deployed at a lot of large mail systems.
-- 
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

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