Antigen for SharePoint will protect SharePoint Portal Server and Windows SharePoint Services document libraries from viruses and unwanted content.Antigen server security products provide comprehensive protection for e-mail and collaboration environments with:?? Advanced Protection: Multiple scan engines at multiple layers throughout the e-mail infrastructure provide improved protection against e-mail threats. ?? Availability and Control: Tight integration with Microsoft Exchange and Windows-based SMTP servers maximizes availability and management control. ?? Secure Content: Helps organizations eliminate inappropriate language and dangerous attachments from internal and external communications. Requirements: