To view the full headers of an e-mail in the classic Yahoo Mail: Open the e-mail Select Show Full Headers near the lower right of the e-mail message If you see help reading the full e-mail headers please see our guide on How to read full e-mail headers. If you have any questions about...
www.emailquestions.com
(This works in free Yahoo Mail, I don't have Yahoo Pro)
Thank you. It works in Yahoo Pro also. What I see in raw email is 3 to 4 pages long. I remember the complete
header being a lot shorter. Maybe that was just back in my Thunderbird days.