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## About Special Groups

Special groups can be used in attachment blocking and content filtering exception policies. Create groups of Active Directory (AD) users/groups/contacts and email addresses to easily apply policies to segments of your network. Special groups can be imported or exported for ease of management. Special groups cannot contain other special groups.
If an Active Directory user belonging to a special group is deleted, ScanMail displays a notification message in the Special Group Selected Contact list.
Related information

- Configuring Special Groups