Use case: Use this procedure to view or configure a user’s email addresses (proxy addresses). Managing proxy addresses allows you to add, remove, or change primary and secondary addresses for a user across verified domains.
To view and configure the email addresses (proxyaddresses), do the following:
- Open User properties and select the Mailbox tab.
- Click Email Addresses.
- To add a new email address, enter the local part next to SMTP, select the domain from the list of verified domains, and click Add.
- To remove an email address, select it and click Remove.
- To generate new email addresses based on the user’s alias and Microsoft 365 verified domains, update the Email alias, choose the domain (or select all domains), and click Add.
- To change the primary SMTP address, select the checkbox in the Primary column.
- Click OK twice to apply the new settings.
ID:KB_015_How-To-Configure-Email-Addresses-Proxyaddresses
