+* Gnus
+** Gmail setting
+Refer [[https://www.emacswiki.org/emacs/GnusGmail][GnusGmail]]
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (setq user-mail-address "seudut@gmail.com"
+ user-full-name "Peng Li")
+
+ (setq gnus-select-method
+ '(nnimap "gmail"
+ (nnimap-address "imap.gmail.com")
+ (nnimap-server-port "imaps")
+ (nnimap-stream ssl)))
+
+ (setq smtpmail-smtp-service 587
+ gnus-ignored-newsgroups "^to\\.\\|^[0-9. ]+\\( \\|$\\)\\|^[\"]\"[#'()]")
+
+ ;; Use gmail sending mail
+ (setq message-send-mail-function 'smtpmail-send-it
+ smtpmail-starttls-credentials '(("smtp.gmail.com" 587 nil nil))
+ smtpmail-auth-credentials '(("smtp.gmail.com" 587 "seudut@gmail.com" nil))
+ smtpmail-default-smtp-server "smtp.gmail.com"
+ smtpmail-smtp-server "smtp.gmail.com"
+ smtpmail-smtp-service 587
+ starttls-use-gnutls t)
+#+END_SRC
+
+And put the following in =~/.authinfo= file, replacing =<USE>= with your email address
+and =<PASSWORD>= with the password
+#+BEGIN_EXAMPLE
+ machine imap.gmail.com login <USER> password <PASSWORD> port imaps
+ machine smtp.gmail.com login <USER> password <PASSWORD> port 587
+#+END_EXAMPLE
+
+Then Run =M-x gnus=
+
+** Group buffer
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (use-package gnus
+ :init
+ (setq gnus-permanently-visible-groups "\.*")
+ :config
+ (cond (window-system
+ (setq custom-background-mode 'light)
+ (defface my-group-face-1
+ '((t (:foreground "Red" :bold t))) "First group face")
+ (defface my-group-face-2
+ '((t (:foreground "DarkSeaGreen4" :bold t)))
+ "Second group face")
+ (defface my-group-face-3
+ '((t (:foreground "Green4" :bold t))) "Third group face")
+ (defface my-group-face-4
+ '((t (:foreground "SteelBlue" :bold t))) "Fourth group face")
+ (defface my-group-face-5
+ '((t (:foreground "Blue" :bold t))) "Fifth group face")))
+ (setq gnus-group-highlight
+ '(((> unread 200) . my-group-face-1)
+ ((and (< level 3) (zerop unread)) . my-group-face-2)
+ ((< level 3) . my-group-face-3)
+ ((zerop unread) . my-group-face-4)
+ (t . my-group-face-5))))
+
+
+ ;; key-
+ (add-hook 'gnus-group-mode-hook (lambda ()
+ (define-key gnus-group-mode-map "k" 'gnus-group-prev-group)
+ (define-key gnus-group-mode-map "j" 'gnus-group-next-group)
+ (define-key gnus-group-mode-map "g" 'gnus-group-jump-to-group)
+ (define-key gnus-group-mode-map "v" (lambda () (interactive) (gnus-group-select-group t)))))
+#+END_SRC
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (setq gnus-fetch-old-headers 't)
+
+
+
+ (setq gnus-extract-address-components
+ 'mail-extract-address-components)
+ ;; summary buffer
+ (setq gnus-summary-line-format "%U%R%z%I%(%[%-20,20f%]%) %s%-80= %11&user-date;\n")
+ (setq gnus-user-date-format-alist '(((gnus-seconds-today) . "%H:%M")
+ ((+ 86400 (gnus-seconds-today)) . "%a %H:%M")
+ (604800 . "%a, %b %-d")
+ (15778476 . "%b %-d")
+ (t . "%Y-%m-%d")))
+
+ (setq gnus-thread-sort-functions '((not gnus-thread-sort-by-number)))
+ (setq gnus-unread-mark ?\.)
+ (setq gnus-use-correct-string-widths t)
+
+ ;; thread
+ (setq gnus-thread-hide-subtree t)
+
+ ;; (with-eval-after-load 'gnus-summary-mode
+ ;; (define-key gnus-summary-mode-map (kbd "C-o") 'sd/hydra-window/body))
+
+ (add-hook 'gnus-summary-mode-hook (lambda ()
+ (define-key gnus-summary-mode-map (kbd "C-o") nil)))
+
+
+#+END_SRC
+
+** Windows layout
+See [[https://www.emacswiki.org/emacs/GnusWindowLayout][GnusWindowLayout]]
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (gnus-add-configuration
+ '(summary
+ (horizontal 1.0
+ (vertical 35
+ (group 1.0))
+ (vertical 1.0
+ (summary 1.0 poine)))))
+
+ (gnus-add-configuration
+ '(article
+ (horizontal 1.0
+ (vertical 35
+ (group 1.0))
+ (vertical 1.0
+ (summary 0.50 point)
+ (article 1.0)))))
+
+ (with-eval-after-load 'gnus-group-mode
+ (gnus-group-select-group "INBOX"))
+ ;; (add-hook 'gnus-group-mode-map (lambda ()
+ ;; (gnus-group-select-group "INBOX")))
+#+END_SRC
+
+* key
+- passion
+- vision
+- mission