If you scroll to the bottom of the CoffeeCup newsletter, you will see the following text:

You can change your newsletter settings here at any time. All requests are honored but may take up to 72 hours to process.

Visit the link. If you are not logged into your account, you will be prompted to enter your login information. Once you're logged into your account, you will be taken to the Subscriptions tab Once there, select No Thanks for the e-mail newsletters you no longer wish to receive.

If you no longer have a newsletter, click here to log into your account. Next, click the Your Profile link, and then select the Subscriptions tab. Once there, you can edit your e-mail preferences.

If you still receive e-mails, check your e-mail header to make sure you aren't subscribed to the newsletter under another account.