Vanquish

Based in Marlborough, Mass., Vanquish Labs develops, markets and supports advanced anti-spam solutions for both personal and business email security. Products range from vqME, the PC Magazine Editors Choice winner for personal anti-spam, the vqNOW hosted anti-spam service for small and medium-sized businesses, and the vqSA anti-spam network appliance for larger enterprises. In addition to pushing the envelope of conventional anti-spam technologies, Vanquish is pioneering the application of economics in the battle against junk mail, malware and identity theft. The company holds key patents on the "sender liability" approach to email.