I've been using Geary, but it isn't something I'd recommend. Still feels unpolished (you can't create labels for eg). I also tried out Nylas, which is now open

I've been using Geary, but it isn't something I'd recommend. Still feels unpolished (you can't create labels for eg). I also tried out Nylas, which is now open source, but it doesn't support plain text emails. I'm considering moving to evolution or Thunderbird