Google Message Archiving Microsoft Exchange Journaling Configuration Guide For Exchange Server 2000 and 2003 - Manual (Page 31)

Setting Up Microsoft Exchange Journaling 35
There are several ways to create the query. Because you used a naming
convention for the journal-recipient mailboxes, an easy way to create the
query is as follows:
a. On the Advanced tab, click Field, point to User, and then select Logon
Name.
b. In the Value box, enter mailarchive . Click Add.
7. When you finish building the query, click OK.
8. In the message that appears, click OK.