In this paper, I describe the use of email reception as an authentication mechanism for public access servers, such as emailand Web-based servers in untrusted and low-risk environments [DoD]. Even the simplest implementation provides security that is significantly better than trust and requires significant power to crack. Despite its security limitations, this type of authentication should be a...

Seeking to enhance communication systems by adding expressive cues. A s the business environment has become distributed, fast-paced, and dependent on information and communication technology, email continues to be an effective and efficient communication medium for interpersonal and interorganizational communication. Despite the expected prolific usage, email remains underutilized within many o...