Address lists are collections of recipients that make it easier for users to find particular recipients in your organization. Address lists are automatically populated, so you don’t have to add recipients manually. Exchange Server 2007 features six default address lists, as shown in Figure 11-26.
Figure 11-26. Viewing address lists in the Exchange Management Console
All Contacts. This address list contains all mail-enabled contacts in your organization. Mail-enabled contacts are those recipients who have an external e-mail address.
All Groups. This address list contains all distribution groups in your organization.
All Rooms. This address ...