Scans are sent to the user's primary email address set in the Email text box on the user's properties panel (on the Users main tab of the MyQ Web Interface).

Scan to User's Email settings

In the Parameters section, you can define the subject of the emails sent to this destination in the Subject text box, and the body of these emails in the Message text box. The subject or body can contain the following parameters: %username%, %fullname%, %date%, %originalSubject%, %ipaddress%, %usernotes%, %printerName%, %location%, %serialNumber%, %assetNo%, %printerContact%.