Hi Jason,
For journal archiving, you can setup rules to filter and apply different archiving rules to specific messages:
About external filtering
http://www.symantec.com/docs/HOWTO58246
Enterprise Vault provides the following filtering features:
- Selective journaling. This feature provides simple filtering of Exchange Server journaled messages. You set up a filter for the Exchange Journaling task that selects, by address, the messages to archive. Other messages are deleted.
- Group journaling. This feature enables the Exchange Journaling task to mark selected messages, in order to reduce the scope of subsequent searches. This can be particularly useful where there is a high volume of journaled email and you want to be able to identify messages sent between particular groups of users.
- Custom filtering. This feature provides more sophisticated filtering for the following: (1) Exchange mailbox, journal, and public folder archiving. (2) Domino mailbox and journal archiving. (3) File System archiving.
For more details about journal filtering, take a look at the following technote:
Symantec Enterprise Vault 10.0.4 - Setting up Exchange Server Archiving
http://www.symantec.com/docs/DOC6595 (Page 241)
I hope this helps.