Adding an email
If you have an email you would like to add to your account, you can do so through the Settings page here.
Add the email where it says 'Add another email address' like this:
You'll then get a confirmation email in your new email's inbox to confirm it to the account.
Changing your primary email
If you have more than one email on your account and would like to change the primary address, simply do so by clicking the 'Make primary' button on the right hand side of the email.
Removing an email
You can remove an email by clicking the trash can icon next to it like this:
Please note: if you have only one email attached to your account, you cannot remove it.