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A comment on JMAP: A modern, open email protocol. Parent comment

Re:JMAP: A modern, open email protocol by jolmg on Monday May 06, 2019 @05:29PM (#19844072)
SMTP is the protocol that's used to route email between servers. How is Fastmail supposed to authenticate with Gmail or Yahoo with Hotmail? Better yet, how is a new mail server in the internet supposed to authenticate with all existing mail servers? Really, authentication for all uses of SMTP doesn't make sense.
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Re:JMAP: A modern, open email protocol by closeparen on Tuesday May 07, 2019 @03:26AM (#19847286)
If only there were infrastructure and standards for asserting ownership over domain names.
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Re:JMAP: A modern, open email protocol by crest on Tuesday May 07, 2019 @06:13AM (#19848002)
Do you really want to put the power to block mails into DNSSEC the PKI operators?
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