This article will show you how to add a new domain to MPexchange and set it as a Primary domain.


  • A MPexchange Partner login or the End Customer Admin Login
  • The domain you want to add

The Process

  • Log into your Partner Portal 
  • Click on Customer Accounts then Active Accounts
  • Select your Customer by clicking Login next to their name
  • Click on Services Menu then under Utility choose Domains
  • Type the domain the Domain Name field and click Add

If you would like to set this as the primary address, tick the Default radio button next to the domain and click Save Changes. Please note that this will change all the existing mailboxes to have that as their primary and may require them to enter their credentials again in Outlook.