To add a new email address:
1) Login to the Enterprise Manager account
2) Click the Enterprise icon
3) Click the username which you would like to add the address to
4) Click the Email Aliases button
5) Click the New Alias button
6) Select the domain which you would like to use from the drop-down menu
7) Type or choose the email address which you would like to use
8) Check the Set alias as default checkbox if you would like to always send from that address by default