+(define-derived-mode notmuch-message-mode message-mode "Message[Notmuch]"
+ "Notmuch message composition mode. Mostly like `message-mode'")
+
+(define-key notmuch-message-mode-map (kbd "C-c C-c") #'notmuch-mua-send-and-exit)
+(define-key notmuch-message-mode-map (kbd "C-c C-s") #'notmuch-mua-send)
+