DKIM records showing smblogin.com when sender email is set correctly

DKIM verification still shows smblogin.com/a grey-labelled email when Sender Email is updated to a domain email.

1. Click the “Reset to safe defaults” button (Partner Center > Marketing > Email settings)
2. Update their sender email from the email settings page
   (Partner Center > Administration  > Customize > Email Settings )
3. Click “Create DKIM” to acquire new records