Please help someone who has left the company set this up: 2 exchange accounts user A, user B within one outlook profile add user A mailbox first in the advanced->additional mailboxes. add user B mailbox when send email from user A, the sent item goes to user A's sent item folder automatically when send email from user B, the sent item goes to user B's sent item folder automatically One day suddenly, when send email from user B, the sent item goes to user A's sent item folder automatically and the email indicates that it is sent from user A How to return to the previous setting b4? happens for Outlook 2000 and XP with Exchange 5.5 Really urgent, please help Thanks