Hi All, Three of our users have sent an email over Internet to yahoo.com, palmet.com and their emails were delivered 160 times. And I don't understand how this happens? Any idea? PS : I've written this problem before and complaints are increasing here. And both the client and server are clean (Wescanned with Norton 7.5) We're using exchange 5.5 sp4 Nortel Networks Netas 35 years in communications