DESC: 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 your organization by providing the following protection: Anti-spam, Anti-virus,Anti-spoofing, Anti-phishing, Anti-spyware (Attachments), and Denial of Service. The Barracuda Spam Firewall is compatible with all email servers and can fit into nearly any corporate or small business environment. It is used by small organizations with as few as 10 employees and large organizations with as many as 200,000 employees. A single Barracuda Spam Firewall handles up to 25,000 active email users and 15 million email messages per day. Multiple units can be clustered together for even greater capacity and high availability.