Your mailbox isn't syncing incoming emails because another Dynamics 365 organization is configured with the same Exchange ...

Your mailbox isn't syncing incoming emails because another Dynamics 365 organization is configured with the same Exchange email address {0} and last updated {1}. Please verify which organization to sync with this Exchange email address. Then ask your administrator to test and enable your mailbox for the correct organization and change the sync method for non-primary organizations to None.