Google Message Archiving Microsoft Exchange Journaling Configuration Guide For Exchange Server 2000 and 2003 - Manual (Page 27)

Setting Up Microsoft Exchange Journaling 31
Step 5: Enable Automatic Forwarding
After you set the forwarding rule in Step 4, ensure that your Exchange Server can
automatically forward messages to your Postini archive. You can do either of the
following:
• Use the organization-wide automatic forwarding option. This option allows
automatic forwarding to any domain.
• Specify your Postini archive domain in Exchange Server. Choose this option if
your corporate policy does not allow the use of organization-wide automatic
forwarding.
To turn on organization-wide automatic forwarding:
1. In Exchange System Manager, click Global Settings > Internet Message
Formats > Default > Advanced.
2. On the Advanced tab, ensure that the Allow automatic forward check box
is selected:
3. Click OK.
To specify your Postini archive domain for forwarding:
1. In Exchange System Manager, expand Global Settings, and then click
Internet Message Format.
2. Right-click Internet Message Format, point to New, and choose Domain.