Am 06.01.25 um 09:03 schrieb Benoit Panizzon via mailop:
As Gandi Support states there is no issue with that specific domain of
their customer - what else could cause this issue?
You're assuming a desire to fix the problem and sufficient competence to do so.
I'm not sure that's the right approach here.
When Gandi MXes reject some mail, Gandi Support (or rather their mailserver admin folks) should be able to pinpoint the
issue. Without knowing their internal mailserver infrastructure, we can but guess. I've experienced this "Relay access
denied" with postfix when DNS MX data and the virtual hosting data disagree - DNS says they're the right host to use
when sending mail to the domain, but their virtual domain database does not know the domain. Reason might be incomplete
database mirroring or whatever - we have much too little information to guess correctly, and they should have *all* the
information needed. Some amount of will and competence is required, though.
Cheers,
Hans-Martin
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