On 7/21/20 6:01 PM, John C Klensin wrote:
Pete, I think the core issue is the amount of trash we are
accumulating and passing around. I don't see that as a 5322bis
problem.
I think it's slightly deeper than that, which is that every time one
party adds a new header field, some number of other parties decide that
they can delete or modify that field, or use it to validate or
invalidate the message. So random parties making random decisions
about message headers are detrimental to email reliability.
Keith
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