Google Gsuit signals, encrypts and signals the encrypted mail once more. The UTM isn't going to learn how to system/verify these emails. service_account_username The username of a domain account which includes authorization to bind to your Listing and conduct lookups. We suggest developing a support account which includes browse-only entry. https://sophosutm10875.idblogz.com/15939128/sophos-utm-no-further-a-mystery