This is a friendly way to close an email and ensure you’ll work with this person again. Planning a meeting? You don’t want to use the same sign-off in every situation, however. Common practice of testing, is sending sample emails out to mobile devices to test the outcome when viewed on a smaller screen. Do you think someone you work with is pretty awesome? Email sign offs can get you an amazing response (if you know how to use them). System Test Plan Sign-off Template. Generic Template for Sign-Off Report: Product Name, Release Version, Build Number