Re: [ietf-smtp] ALPN

John Levine <johnl@taugh.com> Sat, 10 July 2021 21:44 UTC

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Date: Sat, 10 Jul 2021 17:43:56 -0400
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From: John Levine <johnl@taugh.com>
To: ietf-smtp@ietf.org
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Subject: Re: [ietf-smtp] ALPN
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It appears that Claus Assmann  <ietf-smtp@ietf.org> said:
>On Thu, Jul 08, 2021, John Levine wrote:
>
>> Maybe we should request two, one for SMTP and one for SUBMIT.
>
>Is it worth the hassle? What problem does that solve?  Isn't one
>for SMTP enough to resolve the potential protocol attacks?

I dunno.  It's not immediately obvious what the problem would be
to share the same ALPN among all four mail applications, SMTP,
SUBMIT, IMAP, and POP.