How do I update the system to use my email address for sending e certs

video1.0<iframe src="https://www.loom.com/embed/f036e8bdf7c2493d86391956811f5e33" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/f036e8bdf7c2493d86391956811f5e33-46c68f0e89545522.gif107.2786How do I update the system to use my email address for sending e certs