...
Next, select Microsoft OAuth for the SMTP and/or IMAP auth type in Email Settings and add:
SMTP Host Name - smtp.outlook.com
SMTP /IMAP UsernameUser
Client Id
Client Secret
Tenant Id
...
Sends a test email to the logged in user's email address to validate the SMTP OAuth settings.
Reads the inbox of the Approval Reply Address to validate the IMAP OAuth settings.
...
Once you test
If you authorized as the wrong user, you will get the error:
...