On 1/1/2020 1:40 PM, Richard Clayton wrote:
We cannot prescribe whether a receiver is going to accept email, you can
merely state what the correct protocol is for the transfer and for
efficient signaling of accept/reject decisions.
We am supportive of focusing on SMTP compliancy fine tuning. The
administrative local policy stuff, while all good to know, good for an
Informational Status doc, but not a BCP, nor for RFC5321bis PS work,
it would be never ending with extremely rough positions. If some
local sites decide to reject IP-literals based on decision that
contains bias so be it, they will deal with the false positives, but
it is not SMTP.
We should double down on HELO/EHLO IP-literal correct syntax and
However, I might be supportive of a relaxation of the field definition
so that EHLO only basically functions as a server/client capabilities
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