Rated 4 out of 5 stars

Από τον/την Χρήστης Firefox c37923 στις Οκτ. 16, 2020 · μόνιμος σύνδεσμος

Good start!
Just need an option to hide whole pane to make maximum use of the screen space (not when working with message in separate tab).
Because msg information is in the list and buttons can be added into main toolbar.