How Do I Change My Security Email? You can change you Security Email from the CommPortal by following the below: TIP: If you do not know your CommPortal password, instructions on how to reset this can be found here. Login to the CommPortal with your username (phone number) and password. At the bottom of page click on Change Security Email under Security. Enter your new email address and click on Confirm You will receive a confirmation email to your new email address that you have just entered.