From: Prabhpal S. Mavi <prabhpal at digital-infotech.net> > i implemented something that when our smart host would become blacklisted. > It will automatic switch to next available smart host (which is ready > sitting). that mean it will start relaying message through another smart > host automatically. Why not find out why you get blacklisted instead of trying to bypass it? You seem to imply that it is something that will happen and often... JD