On the My eBay page, click the 'Notification Preferences' link under My Account.

On the Notification Preferences page, click the “Show” link next to any preferences that you want to view or change.

Click the “Edit” link next to the preference you want to update, (see arrow C in the screen below).

Note: For security purposes, you may be asked to log in.

The control page for the selected setting opens, (see arrow D in the screen below).

Make your selections, and click the Save button.