This paper will discuss tracing e-mail headers and issues associated with it. It will address both HTTP & SMTP initiated e-mails. It will discuss different ways used by e-mail senders to evade tracing and workarounds used by investigators to combat them. It will also discuss advanced measures and techniques used by investigators to track emails. The paper will not however discuss any particular...

Construction of an accurate theory of orbits about a precessing and nutating oblate planet, in terms of osculating elements defined in a frame associated with the equator of date, was started in Efroimsky & Goldreich (2004) and Efroimsky (2004b, 2005, 2006). Here we continue this line of research by combining that analytical machinery with numerical tools. Our model includes three factors: the ...

E-mail is a mission-critical communication function for virtually all institutions, including corporations, universities, militaries, and families. Given the paramount importance of e-mail in modern society, it is disturbing how vulnerable the e-mail user can be to attacks and failures. Indeed, modern e-mail employs a server-centric design, in the user is critically dependent on its mail server...

Current anonymous e-mail systems offer unconditional anonymity to their users which can provoke abusive behaviour. Dissatisfied users will drop out and liability issues may even force the system to suspend or cease its services. Therefore, controlling abuse is as important as protecting the anonymity of legitimate users when designing anonymous applications. This paper describes the design and ...

As e-mail becomes on of the most widely used methods of communication, with it’s ease of use, speed and low cost it has also become the target of advertisers. Just like “snail” mail, e-mail has become prone to junk e-mail but unlike “snail” mail the cost of distributing unsolicited junk e-mail to vast numbers of people is relatively cheap. This has lead to the desire for these unwanted e-mails ...