Barracuda Spam Firewall 200 - Barracuda Networks, Inc.

Barracuda Spam Firewall 300 - Barracuda Networks, Inc.

Barracuda Spam Firewall 400 - Barracuda Networks, Inc.

Barracuda Spam Firewall 600 - Barracuda Networks, Inc.

Barracuda Spam Firewall 800 - Barracuda Networks, Inc.

Cloudmark Exchange Edition - Cloudmark

GFI MailEssentials - GFI Software USA, Inc.

McAfee SpamKiller - McAfee

McAfee SpamKiller Appliances - McAfee

McAfee SpamKiller for Lotus Domino - McAfee

McAfee SpamKiller SecurityShield - McAfee

McAfee SpamKiller 3100 Appliance - McAfee

McAfee SpamKiller 3200 Appliance - McAfee

McAfee SpamKiller 3300 Appliance - McAfee

Symantec Brightmail Antispam - Symantec