Hi,
I've seen some chatter here about Microsofts rules for large senders and
DKIM, but that discussion has missed one perspective: forwarding. It
appears Microsoft have decided that for "large senders" spf AND dkim AND
dmarc ALL need to pass (for the domain in the from header). That means
it's impossible to forward mails from large senders to addresses hosted
by Microsoft:
5.7.515 Access denied, sending domain JULA.COM doesn't meet the required
authentication level. The sender's domain in the 5322.From address
doesn't meet the authentication requirements defined for the sender. To
learn how to fix this see:
https://go.microsoft.com/fwlink/p/?linkid=2319303 Spf= Fail , Dkim= Pass
, DMARC= Pass
This seems like absolute madness to me.
--
BR/Mvh. Dan Malm, Systems Engineer, one.com
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