The Barracuda Spam Firewall is an integrated hardware and software solution for complete protection of your email server. It provides a powerful, easy to use, and affordable solution to eliminating spam and virus from you organization.

The barracuda Spam Firewall design leverages open source virus spam solutions in conjunction with ten defense layers:

1. Denial of service and security protection
2. IP block list
3. Rate control
4. Virus check with archive decompression
5. Barracuda virus check
6. User-specified rules
7. Spam fingerprint check
8. Intention analysis
9. Bayesian analysis
10. Rule-based scoring