Um, I back up EVERYTHING, like any sane person? And, like any other sane person, I self-host (on a server that's obviously backed up), and keep at least one cop

Um, I back up EVERYTHING, like any sane person? And, like any other sane person, I self-host (on a server that's obviously backed up), and keep at least one copy of my email on my main working computer (which is also obviously backed up), so I don't have to do anything email-specific to make that happen.