> To my knowledge, [Thunderbird] still sucks less than any other free and open option,
Have you tried Claws Mail? It's a plain native traditional email client, and I find it really snappy.
There is even a Windows port. Not sure how "native" people might consider that as it's still based on GTK for Windows, and I don't have personal experience with it, but might be worth giving a try?
Have you tried Claws Mail? It's a plain native traditional email client, and I find it really snappy.
There is even a Windows port. Not sure how "native" people might consider that as it's still based on GTK for Windows, and I don't have personal experience with it, but might be worth giving a try?
https://www.claws-mail.org/downloads.php