If you need to add encryption or digital signing to the Thunderbird email app (or other supporting apps) on Android, there's one clear and easy route to success.

A new approach to Android email notifications All right, so, first things first: By default, most Android email apps tend to take one of three approaches with email notifications: ...

It's one of the few email apps that support Material You, where the app's theme adapts to your wallpaper aesthetics. But the customization doesn't stop at appearances.