Just came across a good link here on how to trace an email. Might not be worth the time, but something to file in case you ever have the need to investigate.
Dave is a seasoned marketer with experience spanning both B2B and B2C marketing. His resume includes extensive work for several high-profile brands including Salesforce.com, IGN Entertainment, and Myspace (remember that?). He loves his work and is fascinated by the ever-changing landscape of digital marketing. He lives in the San Francisco Bay Area with his wife, two daughters, and their crazy cat, Martin.