"Email is the killer app of the Internet in more ways than one. As much as it pains me to admit it, the current models have got to go before we end up with something authoritarian or worse."
Dr. Daniel E. Geer, Jr. Sc.D
MIT Athena Project Leader & Developer of X-Windows System and Kerberos Authentication
Co-founder SecurityMetrics.Org
Author, "Cyberinsecurity: The Cost of Monopoly"
"Message Level satisfies both these business processes without complexity for either the sender or receiver. I think the choice is simple. You can either deploy Message Level or enter into game theory escalations with the spammers, phishers and pharmers."
Mr. Bob Antia
CTO KRS
Formerly with Verisign, Guardent and Exodus
Board Member: FCC's National Infrastructure Reliability Council.
FG1B Committee on Cyber Security
"Miscreants who could evade a blacklist or pretend to be on a whitelist by using a different IP address or domain name have a much harder time with Message Level, since it depends on authentication deeper than network node identifiers."
Mr. John Quarterman
CEO, Internet Perils
Author, "The Matrix"
"25 Unsung Heroes of the Internet", Interactive Week
"An email validation system controlled by the sender has two distinct advantages: It allows recipients to take definitive action and it enables senders to track their messages."
Jonathan Penn
Forrester Research
Principal Analyst Security Research Group