Ralph Angenendt wrote on Wed, 17 Jun 2009 13:15:20 +0200: > There is a user "centos" on that machine, but as aliases >> local users > in postfix context, I'm really out of ideas. I think there must be some forwards that temporarily do not work or create a loop condition. Btw, it's happening only since a year or so. Or it's a misconfigured Exchange system that passes the mail thru again to centos at centos.org which then gets detected. Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com