The state of secure Internet email standards and products is best described as a sucking chest wound. There are no technologies that are multi-vendor; interoperable; and, approved or endorsed by the Internet’s standardization body.
That’s the sad state of reality today. I’ve been working with several of the most current products lately, and after testing them I felt like I had to go home and take a long hot shower and cleanse myself of an imagined putrid odor. Why are things so grim?