--- a/.emacs-my	Mon Nov 07 02:21:46 2011 +0200
+++ b/.emacs-my	Mon Nov 07 02:25:36 2011 +0200
@@ -1204,6 +1204,9 @@
      (define-key message-mode-map "\e\t" 'mail-abbrev-complete-alias)
      ))
 
+;; Kill message buffer after mail send. You always can use C-c C-s to preserve it.
+(setq message-kill-buffer-on-exit t)
+
 (setq gnus-site-init-file "~/.gnus.el")
 
 (setq