Guests whose names appear in your list as "Guest User" are guests who have signed up for your loyalty program via POS using only their phone number.
- @phone.punchh.com will not send emails to the guest user as this is not any Guest's actual email address. It is a generic email association created automaticly when signed up via phone number at the POS
- These users have not yet signed up using the mobile app, therefore there isn't much available information to show about them.