To change your email address, please log into your MyMaxon account.
Make sure you are under the Profile Section.
Then in the email section, press the Edit button;
Here you can add an alternative email address;
You should then receive a verification email;
Once you click on the link, you will need to sign in once again through the original login credentials. After signing in, you will be given the option to use the new address as a Sign-In email.