David Wilson wrote:
However, what I have been saying is that rejecting using 5xx will
generate a bounce if the reject is sent as a response to an intermediate
MTA.
And what I've been saying is that this is an insignificant issue in reality.
"Intermediate" MTAs, in the sense of MTAs _other_ than the sender's or
recipient's perimeter/internal servers are insignificant in the scheme
of things.
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