How to Add Email Addresses at a Secondary or Alias Google Workspace Domain

Quick and easy-to-follow guide for Google Workspace administrators

Adding extra email addresses using a domain alias

  • Domain aliases automatically add email aliases to all users, based on any emails you have on the primary domain.
  • Emails at alias domains can only be email aliases for existing users at the primary domain. 
  • For example, you add the email ‘[email protected],’ and then Google Workspace automatically creates a new email alias at the alias domain, ‘[email protected]

Adding extra email addresses using a secondary domain

You can add email addresses manually if you add a domain as a ‘Secondary domain.’ 

Simply follow these steps to add an email address at a secondary domain:


When you get to where you choose the email address, just click the domain part of it to select the domain you want.

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