Ideal for small- to medium-sized businesses, SonicWALL Email Security appliances are easy-to-install and extremely effective at stopping all e-mail threats at the SMTP gateway. This powerful solution protects organizations against threats including spam, phishing, viruses, Denial-of-Service and Directory Harvest Attacks, and compromised Zombie machines. These appliances also provide robust outbound e-mail management for policy and regulatory compliance. Based on a hardened SonicWALL OS, these plug-and-play appliances install in less than an hour to securely protect your e-mail.