Message journaling might be a good solution.
http://technet.microsoft.com/en-us/library/586157f3-51a2-4517-8f8f-b9785881b232.aspx
From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Ahmad
Sent: Monday, August 06, 2007 12:23 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Copy of mails to another mailbox
Dear All
how can we set copy of mails sent and recieved from specified user sent to anothe rmail box( manager 's ) . can we achive this buy exchange or we need to buy third party software .please advice
Ahmad