How Can I Find Out Where an Email Really Came From?

Just because an email shows up in your inbox labeled [email protected], doesn’t mean that Bill actually had anything to do with it. Read on as we explore how to dig in and see where a suspicious email actually came from.

Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites.

SuperUser reader Sirwan wants to know how to figure out where emails actually originate from:

Let’s take a look at these email headers.

SuperUser contributor Tomas offers a very detailed and insightful response:

Two other contributors, Ex Umbris and Vijay, recommended, respectively, the following services for assisting in decoding of email headers: SpamCop and Google’s Header Analysis tool.

Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.