1)  In the event that you need to change the email address for your account, you can 

do so through the Account settings

2)  Once you are on the account settings page, Click the Edit Email/Password button.

3)  In the modal window that opens, change your email to the new email address that you 

want to use.  Then enter your password in the "Current Password" field.

4)  Once you click the "Update User" button, your email will be changed, and 

the next time you log in to CM Fusion, you will use the new email.