What do you mean? Thunderbird literally IS on Android (F-Droid, Google Store).

Austria, what the fuck? They’re even calling it a “Bundestrojaner” and nobody’s batting an eye?

Fine, then “more ugly and cumbersome” than it needs to be. I frequently have to hook up laptops to devices that simply don’t have wifi (think unconfigured network devices like routers and the like), so connecting via cable is the only option. Having a gigantic, plastic, snag-prone wart sticking out of my laptop certainly wouldn’t help matters.

And the ugly and cumbersome ethernet expansion card.