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Usually we’ll authenticate our domain in Dynamics 365 for marketing application to send marketing emails .
But we might need to send marketing emails by subdomain to keep our root domain reputation, this article will shows how to authenticate a subdomain in marketing settings.
Add subdomain
For example: email.rootdomain
Overview of ownership authentication key and email authentication keys for DKIM
In lower section, value field is namekey1subdomain.marketing.dynamics.com;
while in authentication for root domain, the field will be:
namekey1domain.marketing.dynamics.com
We need to pay attention to Host field, which may confuse us because it’s still namekey1._domainkey. Due to we want to authenticate subdomain, so the real value should be namekey1._domainkey.email when we add the record in DNS settings.
Our own domain DNS settings
UI would be different for different domain providers, but points are same.
- Add a TXT record for subdomain.
- Add correct CNAME records for subdomain
namekey1._domainkey.email.
Result
