setup-mu4e.el

(require 'mu4e)
(setq mu4e-get-mail-command "offlineimap")
(setq message-kill-buffer-on-exit t)

;; don't save message to Sent Messages, Gmail/IMAP takes care of this
(setq mu4e-sent-messages-behavior 'delete)

;; don't prompt for applying of marks, just apply
(setq mu4e-headers-leave-behavior 'apply)

;; Try to display images in mu4e
(setq
 mu4e-view-show-images t
 mu4e-view-image-max-width 800)

;; use imagemagick, if available
(when (fboundp 'imagemagick-register-types)
  (imagemagick-register-types))

(setq mu4e-confirm-quit nil
      mu4e-headers-date-format "%d/%b/%Y %H:%M" ; date format
      mu4e-html2text-command "html2text -utf8 -width 72")

;; Start mu4e in fullscreen, immediately ping for new mail
(defun mu4e-up-to-date-status ()
  (interactive)
  (window-configuration-to-register :mu4e-fullscreen)
  (mu4e)
  (mu4e-update-mail-show-window)
  (delete-other-windows))

;; Restore previous window configuration
(defun mu4e-quit-session ()
  "Restores the previous window configuration and kills the magit buffer"
  (interactive)
  (kill-buffer)
  (jump-to-register :mu4e-fullscreen))

(define-key mu4e-main-mode-map (kbd "q") 'mu4e-quit-session)
(define-key mu4e-headers-mode-map (kbd "M-u") 'mu4e-update-mail-show-window)

(provide 'setup-mu4e)