Define Filters Using Custom Search Category

Recipient policy membership is defined when you create a new recipient policy. If the needs of your organization change, you can modify the search filters that determine recipient policy membership. Use the Custom Search category to type Lightweight Directory Access Protocol (LDAP) queries to define recipient policy membership. Only Active Directory objects that meet the requirements of the LDAP queries you type are listed as members of the recipient policy.

To define or modify search filters based on a custom search:

1. Start System Manager
   On the Start menu, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. In the console tree, double-click Recipients, and then double-click Recipient Policies.
3. In the details pane, right-click the recipient policy you want to modify, and then click Properties.
4. On the General tab, click Modify.
5. In the Find dialog box, in the Find drop-down list, select Custom Search.
6. On the Custom Search tab, select the characteristics of recipient policy members based on attributes.
7. On the Advanced tab, use LDAP queries to select the recipient policy membership.

8. Tip   The LDAP query for any recipient policy can be viewed on the General tab in any recipient policy Properties dialog box. The basics of using LDAP-based searches can be learned by viewing these LDAP queries.

9. Preview the results of the search filters you selected.
10. If you want to clear the filter rules you defined, click Clear All.

Tip   E-mail message recipient policies and mailbox recipient policies can share the same filter. In other words, after you filter a group of users, you can apply both an e-mail address recipient policy and a mailbox recipient policy to the filtered group. For more information see Applying E-Mail Message Policies and Mailbox Policies to the Same Users.

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