Is it possible to trace an email to a particular computer through the main server?

Yes it is possible but not easy. If you are talking about tracing it to a specific machine within a network.


I'm a private investigator and I trace emails and IMs for a living in cyber stalking, harassment and infidelity investigations.

Is it possible to trace an email to a particular computer through the main server?
In a sense yes. If you are using Yahoo, view your message with the full header option activated. And I am sorry I cannot go into much more detail than this.