How do I set up Dynamics 365 Customer Insights (Journeys) so its email passes DMARC?
Publish the records Dynamics 365 Customer Insights (Journeys) shows in your account for your domain.
Last read from the sources at the foot of this page.
What does Dynamics 365 Customer Insights (Journeys) ask me to publish?
By default, all new Dynamics 365 Customer Insights - Journeys installations come with a pre-authenticated sending domain ending in dyn365mktg.com .
Dynamics 365 Customer Insights (Journeys) makes the values for your account, so we do not print any here.
Where in Dynamics 365 Customer Insights (Journeys) are my values shown?
Go to Settings > Email marketing > Domain authentication .
In Customer Insights (Journeys), go to Settings, then Email marketing, then Domain authentication.
Copy each value from there exactly as shown, and add each record at your DNS host.
Will p=reject block Dynamics 365 Customer Insights (Journeys) email?
ensure your From and Return-Path addresses align
Not once Dynamics 365 Customer Insights (Journeys) signs your email with your domain's DKIM key. DMARC passes when a message passes DKIM or SPF for your own domain, and the DKIM records Dynamics 365 Customer Insights (Journeys) gives you are on your domain.
Microsoft says domain authentication sets up DKIM and SPF and makes the From and Return-Path addresses align.
Before you raise your policy, read your DMARC reports and check that email from Dynamics 365 Customer Insights (Journeys) passes.
Where does this come from?
- Microsoft: Authenticate your domains (Dynamics 365 Customer Insights (Journeys))learn.microsoft.comRead 14 October 2026
- RFC 7489, DMARCrfc-editor.orgRead 14 October 2026
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