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

2019-10-06 19:10:30
In article 
... 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.
John Levine, johnl(_at_)taugh(_dot_)com, Primary Perpetrator of "The Internet for 
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