     "g?" (notmuch-tree-close-message-pane-and 'notmuch-help)
     "q" 'notmuch-tree-quit
     "s" 'notmuch-tree-to-search
-    "c" (notmuch-tree-close-message-pane-and 'notmuch-mua-new-mail)
+    "C" (notmuch-tree-close-message-pane-and 'notmuch-mua-new-mail) ; like mu4e
+    "cc" (notmuch-tree-close-message-pane-and 'notmuch-mua-new-mail) ; like mu4e
     "J" (notmuch-tree-close-message-pane-and 'notmuch-jump-search)
     "S" 'notmuch-search-from-tree-current-query
-    "r" (notmuch-tree-close-message-pane-and 'notmuch-show-reply-sender)
-    "R" (notmuch-tree-close-message-pane-and 'notmuch-show-reply)
+    "cr" (notmuch-tree-close-message-pane-and 'notmuch-show-reply-sender) ; like mu4e
+    "cR" (notmuch-tree-close-message-pane-and 'notmuch-show-reply)
     "d" 'evil-collection-notmuch-tree-toggle-delete
     "!" 'evil-collection-notmuch-tree-toggle-unread
     "=" 'evil-collection-notmuch-tree-toggle-flagged

    (kbd "C-k") 'notmuch-show-previous-message
    (kbd "M-j") 'notmuch-show-next-thread-show
    (kbd "M-k") 'notmuch-show-previous-thread-show
    "r" 'notmuch-show-reply-sender
    (kbd "x") 'notmuch-show-archive-message-then-next-or-exit
    "|" 'notmuch-show-pipe-message
    "*" 'notmuch-show-tag-all


  (dolist (state '(normal visual))
    (evil-collection-define-key state 'notmuch-search-mode-map
      "cC" 'compose-mail-other-frame
      "J" 'notmuch-jump-search
      "S" 'notmuch-search-filter
      "K" 'notmuch-tag-jump
