They could
be scoped as local, global, or universal groups. In Exchange Server 2007, however, any mail - enabled
Active Directory Group object is a Distribution Group regardless of its scope and whether it is a
Distribution or Security Group. Distribution Groups available and supported in Exchange Server 2007
include the types discussed in the following sections.
Mail - Enabled Universal Distribution Groups
These are mail - enabled Active Directory Universal Distribution Group objects and are used only
for email distribution to multiple Recipients. They cannot be used to grant access to resources in
either Exchange or Active Directory. Any Exchange Server 2007 Recipient object mentioned in the
preceding section can be a member of these groups. Using the Get-Recipient , Get-Group , or Get-
DistributionGroup cmdlets with a RecipientTypeDetails of MailUniversalDistributionGroup
returns all Distribution Groups in the Exchange organization that are mail - enabled Distribution Groups
as shown in Figure 4 - 17 .
Figure 4-17
Mail - Enabled Universal Security Groups
These are mail - enabled Active Directory Universal Security Group objects and are used only for email
distribution to multiple Recipients and to grant permissions to resources in the Active Directory forest.
Any Exchange Server 2007 Recipient object mentioned in the preceding section can be a member of these
groups.
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