The management of your account, including deletion, is handled through the Amateur.tv platform. Amateur.tv acts as the unified credential manager for both platforms.
To change your email address, you must first go to the 'Settings' section of your account. Then, click on 'Privacy and Security' and subsequently on 'Email Address'.
You will see a button that will redirect you to Amateur.tv. Once there, go to the "Manage Account" - "Private Info" section and proceed to change your email.