Posting to list

Everytime I send a post to php-general@lists.php.net The message goes through but I also recieve back the following This is the Postfix program at host kgb.ijs.si. I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations. For further assistance, please contact <postmaster@kgb.ijs.si> If you do so, please include this problem report. You can delete your own text from the message returned below. The Postfix program <johan@kgb.ijs.si>: mail forwarding loop for johan@kgb.ijs.si is this happening to anyone else?