This answer could be made somewhat complicated, but the easy answer is:
For instance if your username at the CADE is: bclinton
and your department is Mechanical Engineering, you email address could also be:
This is separate from your UMail account (UNID@utah.edu, or whatever alias you set via UNID-Tools). Some departments are set to use UMail for their @dept.utah.edu address. Inquire within.