Scenario:

When configuring a new domain it is important to note that one must verify a domain with the recommended text record followed by enabling the domain so that the domain is able to send or receive emails.

IMPORTANT: Once the domain has been verified and enabled, you MUST wait 60 minutes before the domain is available for routing inbound and outbound.

Configure a TXT Verification\Enable:

1- Log into ProofPoint Essentials website either US Stack or EU Stack.

2- If you are an MSP, locate the company in question under Customer Management then Customers.

3- Once the company has been selected, click Account Management then Domains then select the 3 Dotted Menu icon on far right and select Edit Domain.

4- Once in the Edit Domains menu, ensure that the Domain Purpose is set to Relay and the proper Delivery Destination host name is defined and click Save.

5- Click on the Verify Domain button.

6- You will then be see the Verify Domain page and text record information. Copy the txt record and add the TXT record to your DNS space for the domain you wish to verify and enable. Then Click Verify Now.

8- Depending on provider or TTL, you may need to wait 3600 seconds before proceeding to step 9.

9- Once the domain has been verified you may now enable the domain to receive emails by clicking the Enable Relay button.

10- You can now proceed to STEP 2 - How to Sync Users with Azure 

IMPORTANT: Once the domain has been verified and enabled, you MUST wait 60 minutes before the domain is available for routing inbound and outbound.