How can I make my faxes be sent out anonymously? Mark Gibbons 18 July 2019 20:31 Updated To show it as coming from “anonymous” click on Settings - Fax Service Preferences. Check the box “Send faxes anonymously”, then click "Save". Related articles Setting up your authorized email address for your Desktop Fax account How do I send and receive faxes with my Desktop fax plan? Can I use multiple email addresses to be authorized to send and receive faxes?