This is a setting configured within the Punchh Platform and depending on permissions levels may not be accessible to all admin users.
***If you're unable to view Whitelabel>Services>Email - in the Platform you will need to submit a ticket to Support.***
From which email address the transactional emails must be sent is configured under this setting.
If further assistance is required, submit a ticket to Punchh Support. (For help submitting a ticket, click here)