Before your account is activated with Symantec.cloud Email Services, the IP addresses, mail hosts, and domain names you enter in the Domains wizard must pass a series of technical checks. If the technical checks complete successfully, your domains are then added to the Symantec.cloud Email Services infrastructure.
Symantec.cloud carries out the following technical checks:
If a technical check fails, you are asked to make the changes necessary to remedy the issue so that the services can be activated. The technical checks that are performed depend on the information provided.
Any IP address must pass technical checks before we register the default inbound route for your organization. When you add an SMTP inbound route, Requested Inbound Routes lists the routes we need to check before registration.