Dear All, We are not able to send mails to people who are registered under the yahoo.com through our exchange 2000 server.The same time we are able to send to yahoo.co.uk, yahoo.co.in etc.... Finally only for yahoo.com i have routed through other smtp server.Now what i am facing is that, when i am sending mail b via OWA i am able to recive mail in yahoo.com, through MAPI clients i am not. Can any body help regarding this? Regards, Johnson