You must ask Godaddy Support to help you with this
Are you able to access the code before you launch? If so find that in the footer and change it to your company info... 😉
If that doesn't work try a code your own and upload a template, its not too hard actually. That way you can control everything, but make sure you keep the unsubscribe buttons as they are legally required for any email campaign and can get you in big trouble if you don't have them.