Setting up shared mailboxes in Exchange can be handy, here are two links that could be useful:
http://knicksmith.blogspot.com/2007/03/exchange-2007-and-shared-mailboxes.html
http://support.microsoft.com/?kbid=972148
The first link show you how to create a shared mailbox (you have to use the Exchange Shell), while the other tries to address the “Sent”-folder problem,
which is that sent emails are stored in the Sent-folder of a user’s [...]
