Tracing E-mail Headers

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 tools nor endorse any software products in its coverage.