View Message Headers and Message Source

Viewing Message Headers or Mailing List Information

Open the message whose full headers you want to see.
Click the Show All Headers or Show Mailing List Information link at the top of the message.

The message view will refresh, with the additional headers shown. The links will change to allow you to hide, rather than show, the additional headers.

Viewing Full Message Source and Headers

Open the message whose full headers you want to see.
Click the Message Source link in the text menu at the top of the message.

A new window, with the full message and headers in it, will open.