This is an example of venture investing in an e-mail trust solution developed by Postiva, a company that provided “e-mail trust solutions” and also had a complementary line of business in privacy education and consulting services. “E-mail trust solutions” are best-of-breed information technology products and services that uniquely combine aspects of e-mail content security (e.g., antispam, antivirus), authentication, and customer relationship management technologies. In short, the company’s products enabled e-mail sender authentication and accountability, more efficient e-mail processing, and filtering capabilities for ISPs and recipients and heightened privacy, security, confidence, and control to consumers as they wade through increasingly cluttered and danger-filled e-mail in-boxes. This example discusses the company’s business plan and then filters the investment opportunity—from the perspective of a venture investor—with the 15 due diligence criteria.