Developed with over 10 years of proven mail server security expertise, SecurityGateway email spam firewall for Exchange/SMTP Servers provides affordable email security with a powerful spam filter that serves as a Microsoft Exchange firewall or SMTP firewall. It also protects against viruses, phishing, spoofing, and other forms of malware that present an ongoing threat to the legitimate email communications of your business. It offers simple and easy-to-use features to analyze, manage, and report on the inbound and outbound email traffic patterns of Microsoft Exchange Server or any SMTP email server.