This question details how to install Thunderbird using a traditional .deb package in Ubuntu 22.04, avoiding the Snap package. It provides instructions to add the Mozilla Team PPA to apt, then install Thunderbird. It also includes information on potential issues and solutions, such as dealing with conflicting packages or needing to remove the snap version first.
Thunderbird's Android app, originally K-9 Mail, is nearing completion. In a beta version, it brings Thunderbird features like automatic account setup and desktop-mobile syncing, while maintaining K-9's configurability.
This page provides an introduction to Thunderbird add-ons, including the basics of MailExtensions, the permission mechanism, and the process of creating an add-on.
