...in- and outgoing e-mail according to the predefined parameters. The spam filter will refuse unauthorized e-mail, quarantine message or mark the as spam. All content is also scanned for viruses. Furthermore aXs GUARD Gatekeeper provides...
http://www.finextra.com/fullpr.asp?id=26645
...the postmark, the less likely that the message is spam. • Spam quarantine. In addition to the Outlook Junk E-Mailquarantine included in the Outlook and OWA clients, suspected spam messages can now be quarantined for review by the administrator...
http://www.vancouver-network-support.com/support-files/exchange2007.pdf