Question
How do I delete a personal email account that is no longer valid?
Answer
Step 1: Login to your mySierra account and select "Update My Personal Information" on the Home screen:

Step 2: Select "Update My Email Address" on the Update My Personal Information screen:

Step 3: Click on your personal email address link:

Step 4: Select the "Delete this address" checkbox, then click "Submit" to save the deletion:

Please be sure to include an alternate email address to your account as an additional layer of communication and verification, should it be necessary.