Corvigo

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Corvigo is a former American technology company that was headquartered in Palo Alto, California. The company focused on email security with an anti-spam appliance called MailGate.

History

The company was founded in 2002 by Jeff Ready, Scott Loughmiller, Ehren Maedge, Mike Olson, Phil White, and Jason Collier. It was backed by Sequoia Capital and was acquired by Tumbleweed Communications in March 2004 for US$38.5 million.[1][2][3]

Mark Kvamme led the investment in Corvigo for Sequoia Capital.[4]

The company developed an email filtering technique called Intent Based Filtering (IBF), using artificial intelligence via a multi-tiered neural network sorting engine. The founders were granted U.S. Patent numbers 7,256,654 and 7,653,606 titled "Dynamic Message Filtering" covering the invention of this technique.[5][6]

In February 2004, InfoWorld gave Corvigo's MailGate the highest rating in a comparison between the Corvigo, MessageLabs, and CipherTrust, the leading anti-spam solutions of the time.[7]

References

  1. ^ "$pam, $pam, lovely $pam - Mar. 29, 2004". money.cnn.com. Retrieved 2024-07-12.
  2. ^ "Tumbleweed buys antispam appliance vendor Corvigo". Computerworld. Retrieved 2024-07-12.
  3. ^ Bowers, Brent (2009-09-09). "Finding the Path to Success by Changing Directions". The New York Times. ISSN 0362-4331. Retrieved 2024-07-12.
  4. ^ "Mark Kvamme". SVOD - Silicon Valley Open Doors. 2015-01-06. Retrieved 2024-07-12.
  5. ^ US 7257564, issued 2007-08-14 
  6. ^ US 7653606, issued 2010-01-26 
  7. ^ "Exclusive: CipherTrust, Corvigo, and MessageLabs lighten the spam load". InfoWorld. Retrieved 2024-07-12.


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