AntiSpam

Barracuda
The Barracuda Spam & Virus Firewall provides a powerful, easy-to-use and affordable solution for complete protection of an organization’s email infrastructure. It eliminates spam and virus intrusions while safeguarding an organization’s reputation through content inspection based on policy for both inbound and outbound email. Outbound filtering also prevents confidential or sensitive information from being purposely or inadvertently leaked outside the organization.

Watchguard XCS
WatchGuard XCS anti spam provides real-time spam detection for immediate protection from outbreaks. It’s the best solution in the industry at distinguishing legitimate communication from spam in real time, blocking nearly 100% of unwanted emails. Spam accounts for up to 95% of global email and remains the most common method of spreading viruses. It bogs down network traffic and leads unsuspecting users to malicious web sites designed to steal sensitive personal and company information. Pervasive as it is, you still have the ability to stop spam cold by adding a spam Blocker subscription to your WatchGuard® XTM or Firebox® X security solution.