+(defun my-header-attach-file (file description)
+ "Attach a FILE to the current message (works with Mutt).
+Argument DESCRIPTION MIME description."
+ (interactive "fAttach file: \nsDescription: ")
+ (when (> (length file) 0)
+ (save-excursion
+ (save-match-data
+ (save-restriction
+ (widen)
+ (goto-char (point-min))
+ (search-forward-regexp "^$")
+ (insert (concat "Attach: " (replace-regexp-in-string "\\([[:space:]\\]\\)" "\\\\\\1" (file-truename file)) " "
+ description "\n"))
+ (message (concat "Attached '" file "'."))
+ (setq post-has-attachment t))))))