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In Marketing, when authenticating domains, we get keys for Ownership and DKIM. But it is also recommended to add SPF Record for each domain on the DNS.
The problem now is that when sending test-send or send-now, recipients on Exchange/Outlook does NOT recieve any emails, even though Marketing says they are delivered.
Recipient using i.ex. Gmail works just fine on the same sendout.
Anyone experienced this before? I suspect it has something todo with setting up SPF records, but not sure.
MS Support confirmed today during a live support session that they had an update to their Exchange SPAM filter that set all outgoing email to spam level 9 (worst) regardless of acutal spam level. They are already fixing the problem but if you experience problems regarding delivery of marketing e-mails, either non-delivery or constant spamfolder your solution could be affected by this problem.
MS will post a doc update regarding this with instructions on how to address the problem.
So in conclusion it was never about the SPN record at all, it was about a bug in MS Exchange Spam filter.
Recommended solutions
Sender Policy Framework is configured on the 'Envelope-Sender From' domain, which is owned by Microsoft. It is already configured, and all e-mails should be passing SPF. There is no need for any changes to be made on your existing configuration. For more information, refer to the Authenticate your domains article.
(this is in the documentation from Microsoft, but still our emails are blocked with a low spam score)
Please keep us updated. We noticed the same behavior since this week. (last week the test sending was working fine) now the emails are not delivered to our outlook/exchange. My personal accounts (gmail, yahoo, @live all work fine).
Hi Thomas,
Thanks for sharing more details about your issue.
Dynamics 365 Marketing uses a set of IP to send marketing email, you could whitelist these IP to your Outlook spam-filter to test whether marketing email could be delivered.
But I'm not sure whether above attempt could work, because we share same IP from Dynamics server to send marketing email, while marketing email is able to be delivered to my Outlook recipient,
so I suggest that you can also request ticket supporter to investigate your instance.
Regards,
Clofly
Thanks for the tips,
I have checked the insight and both test-send and send-now emails are added to the list. As you can see i sent 14 emails. All recipients outside Customer A and Customer B organization gets delivered.
Also had a ticket to MS Support and sent them a test-send, and it was delivered in spam folder.
The spam checker on the email is "Low Risk" so it should not be an issue. The delivery issue is across different emails anyway...
The weird thing is that sending to gmail, yahoo, temp-mail.com etc works just fine. And Marketing just says everything was delivered when i am absolutely sure that some of the emails definitely was not delivered.
The hard bounce was a test on purpose just to verify that everything is ok with data on insight...
Hi Thomas,
I didn't add SPF in my domain setting and my Outlook recipient received the test send email successfully.
Have you checked test send delivery record has been added to Marketing email > Insights > Delivery > Sent emails grid.
And is it possible that marketing email to Outlook recipient was moved to Other folder or Junk folder?
Regards,
Clofly
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