Email HeadersIf you are requested by ITS to provide a copy of an email with "headers displayed," please refer to the section below that corresponds to how you read your email. To extract email headers from Thunderbird: Double-click the message to open it in a separate window. From the View menu, select Headers > All. Click the Forward button to forward the email. (You can then go back to the View menu and select Headers > Normal. To extract email headers from Mac OS X (Apple Mail): Select the email in the Inbox. Open the View menu, select Message > Raw Source. Copy the resulting text. Paste the text into an email. To extract email headers from Gmail: Open the email message. Click the down arrow adjacent to the Reply link in the upper-right corner of the email message. Click Show Original. Copy and paste the information from the new window into an email.