
What Is a Full Header and Why Is It Useful?
Email headers enable you to track where on the Internet an email originated. Because it is easy to forge an email address, it is important to use full headers to determine the "true" point of origin of an email.
What Does a Full Header Look Like?
-----------------Example Header-----------------
Return-path: <MagiMail@net1plus.com>
Envelope-to: spam.recipient@adelphi.ucc.hull.ac.uk
Delivery-date: Fri, 23 May 1997 20:55:53 +0100
Received: from puccini.ucc.hull.ac.uk [150.237.196.2] by adelphi.ucc.hull.ac.uk
with esmtp (Exim 1.60 #1)
id 0wV0RN-0006W3-00; Fri, 23 May 1997 20:55:53 +0100
Received: from mail.net1plus.com (actually host MAIL.CMSCOMMUNICATION.COM)
by puccini.ucc.hull.ac.uk with ESMTP; Fri, 23 May 1997 20:55:47 +0100
Received: from [207.77.56.12] ([207.147.153.227]) by mail.net1plus.com
(Post.Office MTA v3.0 release
0122 ID# 0-34465U2500L250S0) with SMTP id ADL167; Fri, 23 May 1997
12:23:39 -0400
Received: from candyman@vapornet.com by candyman@vapornet.com (8.8.5/8.6.5)
with SMTP id RAA09362 for <candyman@vapornet.com>; Fri, 23 May 1997 08:53:48
-0600 (EST)
To: candyman@vapornet.com
Message-ID: <candyman@vapornet.com>
Date: Fri, 23 May 97 08:53:48 EST
From: MagiMail@hull.ac.uk
Subject: NEW! 600K Hot List... No AOL
Reply-To: candyman@vapornet.com
Comments: Authenticated sender is <candyman@vapornet.com>
---------------End Example Header---------------
What a Full Header Does NOT Look Like
------------Example Incomplete Header------------ Date: Fri, 23 May 97 08:53:48 EST From: MagiMail@hull.ac.uk Subject: NEW! 600K Hot List... No AOL Reply-To: candyman@vapornet.com ----------End Example Incomplete Header----------
How to Display Full Headers in Various Email Programs
Eudora (Light / Pro 3.x / Pro 4.x for PC and MAC):
Microsoft Outlook (97/98 for PC):
Microsoft Outlook (Express for PC):
Microsoft Outlook (Express for MAC):
Microsoft Mail and News for MAC:
Netscape (4.x for PC and MAC):
Netscape (3.x for PC and MAC):
Pegasus Mail (2.x for MAC):
Pine:
For other email programs, please consult the help manual for that program.
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