How do I reveal the full header information in an email?

We recommend two resources:

One from Google, click here.

One from SpamCop, click here.

The full header information reveals what's behind the "From:", "To:", "Subject:", and "Date:" information in an email message. The full headers reveal the IP address of the sender and any other third-party services used, along with IP addresses. This information is very useful in tracking spam and determining the source of delayed messages.