Gmail for gnus in emacs

init-gnus.el

;; You need this to be able to list all labels in gmail
(setq gnus-ignored-newsgroups "")

;; And this to configure gmail imap
(add-to-list 'gnus-secondary-select-methods '(nnimap "gmail"
                                  (nnimap-address "imap.gmail.com")
                                  (nnimap-server-port 993)
                                  (nnimap-stream ssl)))

(provide 'init-gnus)