imap, gnus & gmail.com

~/.gnus.el

(setq user-mail-address "asimakov@gmail.com")
(setq user-full-name "Alexey Simakov")
(load-library "smtpmail")
(load-library "nnimap")
(load-library "starttls")
(setq gnus-select-method '(nnimap "imap.gmail.com"
           (nnimap-address "imap.gmail.com")
           (nnimap-server-port 993)
           (nnimap-authinfo-file "~/.imap-authinfo")
           (nnimap-stream ssl)))

(setq smtpmail-starttls-credentials '(("smtp.gmail.com" 587 nil nil))
      smtpmail-smtp-server "smtp.gmail.com"
      smtpmail-default-smtp-server "smtp.gmail.com"
      send-mail-function 'smtpmail-send-it
      message-send-mail-function 'smtpmail-send-it
      smtpmail-smtp-service 587
      smtpmail-auth-credentials '(("smtp.gmail.com"
       587
       "asimakov@gmail.com"
       nil)))
(add-hook 'gnus-topic-mode-hook 'gnus-topic-mode)

~/.imap-authinfo

machine imap.gmail.com login asimakov@gmail.com password MyPassword port 993

get CA certificates and put them in ~/Mail/certs/

$ cd ~/Mail/
$ wget http://members.cox.net/mynameisdavid/archive/certificates.zip
$ unzip certificates.zip
$ mv cer certs