Recover delete email in Microsoft Exchange 2003 server?

1).Login as the administrator on exchange and open system manger.

2).Right clicks on the mailbox store and select properties. Change the deletion settings to 30 days for deleted items and to 30 days for deleted mailboxes, Also make sure that  the checkbox is checked for do not permanently deleted mailboxes. Click to continue.

3). Right click the manager’s mail store and select properties, change the deletion settings to 45 days for deleted items and to 45 days for deleted mailboxes also make sure that the checkbox is checked for  do not permanently delete mailboxes. Click ok to continue.

4). Login to the client pc, choose an email from inbox and delete it.

5). Open the deleted items folder and delete from the same item from this folder by right click the item and selecting delete

6). Click yes to indicate that you want to permanently delete the item.

7). Next from outlook go to tools recover deleted items

8). Choose the email from the frank that you want to recover and select the button to recover selected items.