Answer: You can edit your user profile. You'll need to enter e-mail and password, enter your account up, then click on the "My Profile" redirected to the page in the section "User Information" possible "Edit" there .
At the end of every email contained "If you do not wish to receive emails from us, click on Unsubscribe" You can then receive the first email Newsletter cancel.
Email to change, modify national code, cancel the account with the same email newsletters and delete email that you have registered to This email address is being protected from spambots. You need JavaScript enabled to view it..
If you do not have access to your email account security reasons, unfortunately, no way to change your email as username again and can only re-register with your new email.