send sms using fastmail from emacs

fastmail-sms.el

(defvar bbdb-smsable-phones-label '("Mobil") ; TODO: make it a list?
  "The member of `bbdb-phone-label-list' that can receive sms-es.")
(defun bbdb-send-sms (record)
  ;; TODO: no signature, how? gnus-posting-styles possible?
  (interactive (list (bbdb-current-record)))
  (let* ((phones (bbdb-record-phone record))
	 (cellphone (replace-regexp-in-string
		     "[ -]" ""
		     (catch 'found
		       (mapc (lambda (p)
			       (when (member (aref p 0) bbdb-smsable-phones-label)
				 (throw 'found (aref p 1))))
			     phones)))))
    (if cellphone
	(if (string-match "^\\+\\([0-9]+\\)$" cellphone)
	    (progn
	      (bbdb-compose-mail (concat (bbdb-record-name record)
					 " <"
					 (match-string 1 cellphone)
					 "@sms.messagingengine.com"
					 ">")
				 " ")
	      (when (search-forward "--text follows this line--\n")
		(delete-region (point) (point-max))))
	  (message "Malformed cellphone number: \"%s\"\nIt should look like \"+123456789\""
		   cellphone))
      (message "No field from %s found!" bbdb-smsable-phones-label))))
(define-key bbdb-mode-map (kbd "M") 'bbdb-send-sms)