On 2021-12-05 20:04, John Levine wrote:
This sounds like local policy again. Personally, I am not crazy about
getting mail that I can't reply to, but my mailbox is full of mail from
my bank and stores from which I have ordered telling me that I can't
reply
to their messages.
banks or stores do not know anything about null mx :=)
null mx is not that known on many dns hosters :/
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