How to setup an email forward Exchange 2007

To setup an email forward for a user within Microsoft Exchange 2007, follow the instructions below:

1) Open Exchange Management Console
2) Expand Recipient Configuration
3) Click Mailbox
4) A list of all mailboxes will be appear in the right hand pane. Right click the mailbox you wish to setup the mail forward on.
5) Click properties
6) Click the mailflow settings tab
7) Double click Delivery Options
8.) Click the check box forward to
9) Browse for the mailbox you wish to forward emails to
10) Click OK to apply settings

If you wish for a copy of each email to remain in the users mailbox, click the tick box labelled Deliver message to both forwarding address and mailbox

How to configure public folder in Exchange server 2007

1. Create a pulic folder
open Exchange Management Console
=> Public Folder Management Console
=> Default Public Folder
=> New Public Folder(from right-click menu)

then follow the wizard to create a public folder. Fox example give it a name Test, so the public folder path will be "\Test";

2. Use the Exchange Management Shell to add public folder permissions for a client user
open Exchange Management Shell
=> Run command
"Add-PublicFolderClientPermission -Identity "\Test" -AccessRights Owner -User TestUser"

This will give user "TestUser" the "Owner" accessRights which has full permission of the public folder;

More info please go to:
http://technet.microsoft.com/en-us/library/aa998834.aspx