On 10/07/2021 22:43, John Levine wrote:
It appears that Claus Assmann <ietf-smtp(_at_)ietf(_dot_)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.
I think having separate allocations for them would be clean design.
However, ALPN seem to be intended for multiple protocols sharing the
same IP/port. This doesn't seem to apply to SMTP/SUBMIT/IMAP/POP. Or am
I missing the point of ALPN?
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