     "q" 'notmuch-bury-or-kill-this-buffer
     "s" 'notmuch-search
     "z" 'notmuch-tree
-    "c" 'notmuch-mua-new-mail
+    "C" 'notmuch-mua-new-mail           ; like mu4e
+    "cc" 'notmuch-mua-new-mail          ; like mu4e
     "gr" 'notmuch-refresh-this-buffer
     "gR" 'notmuch-refresh-all-buffers
     "Z" 'notmuch-poll-and-refresh-this-buffer

    "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)
    "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)
    "d" 'evil-collection-notmuch-tree-toggle-delete
    "!" 'evil-collection-notmuch-tree-toggle-unread
    "=" 'evil-collection-notmuch-tree-toggle-flagged


  (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
