There is a new e-mail-client called aerc for the command line which is in early development but looks promising judging by my first tests:

By nielsk

I am a sysadmin with a background in Japanese Science and economics. Thus my topics are computers, Japan and economics. My favorite past times are pen&paper-role playing games and old video games.

With a couple of friends I also podcast about retro video games in German: Retrozirkel