I am facing a issue in outlook. We are using Exchange 2007 Ent Sp2 edition on server side and Outlook 2007 SP2 on client side. Mails come through external user send by 3:30 PM recvievd by user at 3:13 PM. I have checked the Time zone setting server and client end also both setting are same.. user face this problem some time not every mail. How can i fix this. I have check the message tracking and mail stored to the server at 3:03 PM. Please suggest a solution to fix this issue.