On 3/9/23 2:03 PM, Gellner, Oliver via mailop wrote:
Also some MTA may use different or stricter checks for IPv6 than for IPv4, so it‘s possible that a message gets rejected while it would have been accepted if delivered via IPv4.
I believe Google has more stringent requirements for IPv6 than they do for IPv4.
Admittedly they are for things that are SHOULD be the case in IPv4. Google just chose to make them MUST in IPv6.
-- Grant. . . . unix || die
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