IronPort

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IronPort Systems, headquartered in San Bruno, California, designs and sells products and services that protect enterprises against Internet threats. It is best known for IronPort AntiSpam, the SenderBase email reputation service, and email security appliances. These appliances run a modified FreeBSD kernel under the trademark AsyncOS.[1]

Founded in December, 2000, by Scott Banister and Scott Weiss, IronPort drew its early technical staff from companies such as Hotmail, eGroups, ListBot, and Yahoo!.[citation needed]

On November 24, 2003, IronPort acquired the SpamCop filtering and reporting service, which it runs as a stand-alone entity.[2]

Cisco Systems announced[3] on January 4, 2007 that it would buy IronPort in a deal valued at US$830 million. Cisco completed the acquisition on June 25, 2007. [4] [5]

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