The procedure for displaying the full email headers varies in different email programs. For:
For other email programs, including:
see the Google Message Headers page.
In uPortal, displaying the full headers is a program setting. Once you set it, you'll see full headers for every email message. To view full headers for a single message, change the setting, view the message headers, and then change the setting back.
Repeat steps 1-3, but choose No to switch the setting back to displaying only the limited email headers.