--- a/.emacs-my	Tue Nov 08 11:36:06 2011 +0200
+++ b/.emacs-my	Tue Nov 08 11:37:33 2011 +0200
@@ -1211,6 +1211,7 @@
 
 (defun my-message-mode-hook ()
   (setq fill-column 78)
+  (turn-on-auto-fill)
   )
 (add-hook 'message-mode-hook 'my-message-mode-hook)