Updated: August 4, 2020 (March 24, 2008)
Charts & IllustrationsAntigen Products
Antigen products are still available to Forefront server security customers to protect older Microsoft product versions. The Antigen line was acquired with Sybari Software in 2005 and became the basis for the Forefront Security server products and Exchange Server 2007’s built-in spam filter. Customers can acquire the Antigen products through downgrades from Forefront server security products described in Microsoft’s Product Use Rights document.
Note that Symantec no longer supports Antigen for IM on Symantec IM Manager, a public IM gateway product that was formerly known as IMLogic IM Manager.
| Product | Function | Latest Version and Service Pack | Mainstream Support Ends |
| Antigen for Exchange | Antivirus for Exchange 2003 | 9.0 SP1: Nov. 16, 2007 | Oct. 11, 2011 |
| Antigen for SMTP Gateways | Antivirus for Internet e-mail services on Windows | 9.0 SP1: Nov. 16, 2007 | Oct. 11, 2011 |
| Antigen Spam Manager | Spam filtering for Internet e-mail |
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