List the authenticated domain associated with the given user.
GET {{baseUrl}}/whitelabel/domains/subuser
This endpoint allows you to retrieve all of the authenticated domains that have been assigned to a specific subuser.
An authenticated domain allows you to remove the “via” or “sent on behalf of” message that your recipients see when they read your emails. Authenticating a domain allows you to replace sendgrid.net with your personal sending domain. If you choose to use Automated Security, SendGrid provides you with 3 CNAME records. If you turn Automated Security off, you are given 2