
466 Chapter 13: Unity with Microsoft Exchange
Figure 13-3 Microsoft’s Active Directory Users and Computers Utility
In Figure 13-4, nested OUs are used to administratively group mailboxes.
It is possible to give recipients more than one address or address type, such as an X.400
address, fax address, Internet address, and so on. This way the actual Exchange client,
Outlook, can resolve the name to the address as necessary. A mail-enabled domain user has
access to and uses his own Outlook client, and he has the ability to use the global address list,
which contains the addresses of all recipients, custom recipients, and DLs. He can also create
a contact ...