If you use the mobile application, here's how to change your email address: click on "Account", then "My profile". Then click on your email address and modify it. Finally, click on the "Save" button.
To change your email address from a computer, go to the "My profile" section by clicking on your first name at the top right. Click on your email address and modify it. Finally, click on the "Save" button.
You will receive by email all information regarding your account and the closing, printing and mailing of your logs.