Hi All, I have W2k server and Exchange 2000.one of my user use a diffrent address which was not given by my provider.The problem is he cannot send/receive mail ,but his SMTP address is store in his mailbox.For incoming he use another server which is not part of our domain and outgoing use our exchange server. What should I do ?Why is not working,cause for short time it worked? Thanks for any help and sugestion, Dani Comnea --------------------------------- Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month!