Hi,
Florian Effenberger via mailop wrote on 20.10.24 at 10:47:
I assume the issue is on Mimecast's end. If there is any Mimecast
contact on this list, I'd appreciate a reach out. 🙂
just as heads-up:
I just sent an e-mail to the affected domain, Bcc my GMail address. For
that very mail, GMail confirms the DKIM signature is proper, whereas
Mimecast bounces it.
The only two options left are that Mimecast has hiccups with my DNS
setup (which would be strange, as all major providers work flawless with
it, and they seem to be able to load the SPF records from that very
DNS), or stumbles over something else in my rspamd configuration (which
would be strange as well, because that is pretty much a standard setup).
Florian
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