How to view the message headers in Yahoo! Mail

Newest Yahoo! Mail

  1. Click the email to open it
  2. In the toolbar, click ActionsView Full Header
  3. Right click the text area to select all and copy
  4. Paste into a new text file

Yahoo! Mail Classic

  1. Click the email to open it
  2. Below the email, click Full Headers
  3. Select the headers, and right click to copy
  4. Paste into a new text file