Google Message Security for Google Apps Administration Guide - Manual (Page 133)

Chapter 7
The Message Center 133
The Message Center
Chapter 7
About the Message Center
You can allow users to manage their own spam, viruses, and other quarantined
messages, by enabling access to the Message Center. From the Message
Center, users can see what messages are being filtered and why, they can look at
quarantined messages, and they can forward any legitimate messages to their
own Inbox.
In addition, users can be given permissions to view and modify certain aspects of
their own service at the Message Center. With the appropriate permissions, they
can turn spam filters on or off, set spam filter levels, manage their own sender lists
or user aliases, and more.
Users can access the Message Center by clicking the Message Center link in
their Quarantine Summary messages. Or, they can go to the following URL:
login.postini.com/a/your_domain
Note: Users should replace your_domain with the domain you use for Google
Apps, such as jumboinc.com.
Users must be logged in to their Google Apps accounts to access the Message
Center.