Can I use multiple email addresses to be authorized to send and receive faxes? Mark Gibbons February 09, 2021 22:44 Updated Only one email address can be established as your authorized email for sending and receiving faxes. Related articles How can I make my faxes be sent out anonymously? Quick Start Guide for Desktop Fax Setting up your authorized email address for your Desktop Fax account How do I force a display name to show in the fax header outbound?