Updated: August 4, 2020 (March 24, 2008)

Antigen Products

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

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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