Configuring lists of users for an attachment and content filtering rule

To configure a list of users for whom the attachment and content filtering rule will be applied to messages to/from these users:

1. In the Management Console tree, select the node of the relevant Security Server.
2. Select the Server protection node.
3. In the workspace, select the Protection for the Transport Hub role tab.
4. In the Attachment and content filtering drop-down section, select the rule to which you want to apply changes, and select the Users tab.
5. To specify message recipients, select one of the following options in the Apply rule to messages for the following recipients section:
   • All users if you want to apply the rule to messages for all recipients.
   • Only external users if you want to apply the rule to messages for recipients who do not belong to your organization.
   • Individual users or user groups if you want to apply the rule to messages for specific recipients or Active Directory groups.
6. To specify message senders, select one of the following options in the Apply rule to messages from the following senders section:
   • All users if you want to apply the rule to messages from any sender.
   • Only external users if you want to apply the rule to messages from senders who do not belong to your organization.
   • Individual users or user groups if you want to apply the rule to messages from specific recipients or Active Directory groups.

   Recipients and senders to whom the rule applies are grouped by the AND logical operator.

7. Click the Save button.

To add an Active Directory account to any of the lists:

1. In the settings group for the relevant type of user, click the button.
2. In the window that opens, locate the relevant Active Directory account and click OK.
3. Addresses selected in Active Directory are marked in the list by the following symbols:
   • – users, contacts, distribution groups
   • – security groups.

To add an SMTP address or user name to any of the lists:

1. To add an SMTP address or a user name to the list, type it in the entry field and click the button.

   Addresses added in this way are marked on the list by the icon.

   Addresses added in this way are not checked for their presence in Active Directory.

2. To delete an SMTP address or a user name, select the corresponding string and click the button.

To export the list of users to a file:

1. Click the button.
2. In the window that opens, specify the file name in the File name field.
3. Click the Save button.

To import the list of users from a file:

1. Click the button.
2. In the window that opens, specify the file containing the list of users in the File name field.
3. Click the Open button.
4. Click the Save button.