How to Use Webmail: Displaying Full Message Headers
- Open the message in a new window by double-clicking on the recipient e-mail address or subject of that message.

The message will open in a new window.
- Click on the Source button.

Another window will open with the full headers appearing at the top.
- Highlight the entire contents of the window (Mac: Command + A; Windows: Ctrl + A), and this will include the full header information and the message contents.

- Copy and paste the information into a composition window.