init-bbdb.el

(require 'bbdb)
(bbdb-initialize 'message 'gnus 'sendmail)
(add-hook 'gnus-startup-hook 'bbdb-insinuate-gnus)
(bbdb-insinuate-message)

(add-hook 'message-mode-hook
          '(lambda ()
             (flyspell-mode t)
             (local-set-key "<TAB>" 'bbdb-complete-name)))

;; @see http://emacs-fu.blogspot.com.au/2009/08/managing-e-mail-addresses-with-bbdb.html
(setq
 bbdb-offer-save 1                        ;; 1 means save-without-asking

 bbdb-use-pop-up t                        ;; allow popups for addresses
 bbdb-electric-p t                        ;; be disposable with SPC
 bbdb-popup-target-lines  1               ;; very small

 bbdb-dwim-net-address-allow-redundancy t ;; always use full name
 bbdb-quiet-about-name-mismatches 2       ;; show name-mismatches 2 secs

 bbdb-always-add-address t                ;; add new addresses to existing...
 ;; ...contacts automatically
 bbdb-canonicalize-redundant-nets-p t     ;; x@foo.bar.cx => x@bar.cx

 bbdb-completion-type nil                 ;; complete on anything

 bbdb-complete-name-allow-cycling t       ;; cycle through matches
 ;; this only works partially

 bbbd-message-caching-enabled t           ;; be fast
 bbdb-use-alternate-names t               ;; use AKA

 bbdb-elided-display t                    ;; single-line addresses

 ;; auto-create addresses from mail
 bbdb/mail-auto-create-p 'bbdb-ignore-some-messages-hook
 bbdb-ignore-some-messages-alist ;; don't ask about fake addresses
 ;; NOTE: there can be only one entry per header (such as To, From)
 ;; http://flex.ee.uec.ac.jp/texi/bbdb/bbdb_11.html

 '(( "From" . "no.?reply\\|DAEMON\\|daemon\\|facebookmail\\|twitter\\|notifications")))

;; just remove some warning since bbdb package hook the mail-mode
(setq compose-mail-user-agent-warnings nil)
(provide 'init-bbdb)