A while ago, I worked on an gmail clients and ended up learning a lot about email, so I kept building my own.

The things I cared about most were speed, privacy, good UX, and full keyboard shortcuts support.

It's still a beta, you can try it through interactve demo or download here:

https://dodosend.com

P.S. If you request access, please only do so if you're willing to actually try it and send me some feedback.