Symantec Messaging Gateway for Service Providers (formerly branded as Symantec™ Message Filter) provides an easy-to-deploy, comprehensive email security solution that protects your customers and your network. It detects and repairs viruses. It also identifies and blocks unwanted email. It is centralized and automated, and can be customized to fit your organization's specific needs. It runs with your existing mail or groupware server. This guide introduces the product.