Navigate to the Redbox website (see Resources).
Click on "My Redbox Account" at the bottom of the page.
Sign into your account with your user name and password. If you forget your password, click on the "Forgot Your Password?" link to have a temporary password emailed to you.
Click on the "Update" icon next to your name and delete your name when the prompt appears.
Click on the "update" icon next to your credit card account and remove your credit card when the prompt appears, by clicking on the "X" under the remove section.
Remove your email address if you wish to no longer receive emails by clicking on the "unsubscribe" link on any of the Redbox emails you have received.