How do I change my email address? - Paperight/website GitHub Wiki
To change your email address, go to the homepage of the website and click on the green “Business login” button in the top right of the page.
Fill in your old email address and password, then click the green “Login” button.
Once you’ve logged into your account click the word “Profile” on the top right of the page.
The next page contains your account information. Click on the “Change email address” button.
Type in your new email address in the first space, and then repeat it in the space below to confirm that your new address is correct. Once you have done this click “Update” to complete the process.
Your account information should now reflect the new email address, and an email will be sent to the new address to confirm the change.