Vincent Lefevre via Postfix-users skrev den 2023-11-21 17:44:
So, if I understand correctly, the admin at Inria is wrong.
MX is optional if A/AAAA exists for same domain/subdomain
BTW, in the mean time, I could see on another machine that exim4 has the same behavior as postfix.
parrent MX should not be used at all, if host ignore this it will create backscatter, don't do it !
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