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Displaying Email Headers

Introduction

The full Internet email headers include useful and sometimes necessary diagnostic information. Typical reasons include blocking spammers (unsolicited junk email), problems with delivery or receipt of a particular message and certain identity troubleshooting issues that involve fake "from" addresses. Displaying headers in some email programs is an easy task, however, both Outlook and Outlook Express are more difficult in this regard.

How to Display Full Headers

Select your email client from the list below:

Show me an example of a message with full headers.

Gmail:

  1. In Gmail, open 'original' email.
  2. Click for menu button (down arrow next to the Reply button).
  3. Choose Show original.

Horde:

  1. Log into Horde Webmail.
  2. Open the email message.
  3. Click the "Message Source" link in the text menu at the top of the message.

Hotmail:

  1. Open the email.
  2. Click for menu button (down arrow next to the Reply button).
  3. Choose View source.

Mail for Mac OS X:

  1. From the View menu, select Message.
  2. Select All Headers.

Mozilla & Netscape (all versions):

  1. Turn off any HTML formatting that may be present.
  2. From the Edit menu select Preferences
  3. Mail & Newsgroups.
  4. Click Send
  5. Format and select Convert the message to plain text...
  6. Open the message in question so you can see it on your screen.

Outlook and Outlook Express:

  1. Right click on the email message.
  2. Select Properties.
  3. Click Details.
  4. Select Message Source.

For Mozilla 1.4 and earlier:

  1. From the View menu select Headers and then All when displaying the message.
For Mozilla 1.5 and later:
  1. From the View menu select Message Source.

Outlook:

  1. Turn off any HTML formatting that may be present.
  2. From the Edit menu select Preferences
  3. Mail & Newsgroups.
  4. Click Send
  5. Format and select Convert the message to plain text...
  6. Open the message in question so you can see it on your screen.

Outlook Express:

From the File menu select Properties, then select the "Details" tab.

RoundCube:

  1. Log into RoundCube Webmail.
  2. Double click to open the email message.
  3. Click on the"More" option then select the "Show Source" icon.

Thunderbird:

  1. Open the message in question.
  2. In the Menu select View.
  3. Select Message Source.

AOL:

  1. Open the message you want to view headers for.
  2. In the Action menu, select View Message Source.

See the example below.

-----------------------Example Full Header Below----------------------------

Return-path: 
Envelope-to: john@example.com
Delivery-date: Wed, 02 Apr 2014 15:06:11 -0600
Received: from [46.165.209.232] (port=36531 helo=delivery.antispamcloud.com)
	by box309.Bluehost.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.82)
	(envelope-from )
	id 1WVSMM-0003oR-Ny
	for john@example.com; Wed, 02 Apr 2014 15:06:10 -0600
Received: from mail-ig0-f195.google.com ([209.85.213.195])
	by mx7.antispamcloud.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.82)
	(envelope-from )
	id 1WVSMJ-00049k-3X
	for john@example.com; Wed, 02 Apr 2014 23:06:10 +0200
Received: by mail-ig0-f195.google.com with SMTP id uq10so212231igb.2
        for ; Wed, 02 Apr 2014 14:06:02 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=mime-version:date:message-id:subject:from:to:content-type;
       bhbhovkRL3Im017b5m7rMRTWVa1olgzE1U+yr8FXykLSM=;
        b=I9n1lRLh2EbEic44CPWv6doKf6m9+z1G9tVmowbugj99p5jn5ImorW2oBqZ1BRbOFD
         3CnQkj7koUZfajma0Q0bbjJFB27CHfIMKvFLzOeWjeLP2bu3Z5X/d+lmCdFMSG8FQBoO
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         mMLFWCZs1A1Hfe2gwOxBpRXgAqxf1/hlFfAf0CIIRTcD/03kSaWB7L/lPy++CTvkzpbB
         Ro4A==
MIME-Version: 1.0
X-Received: by 10.42.107.67 with SMTP id c3mr2836464icp.28.1396472762166; Wed,
 02 Apr 2014 14:06:02 -0700 (PDT)
Received: by 10.50.216.193 with HTTP; Wed, 2 Apr 2014 14:06:02 -0700 (PDT)
Date: Wed, 2 Apr 2014 15:06:02 -0600
Message-ID: 
Subject: I can haz headers
From: Bluehost Tutorials
To: john@example.com
Content-Type: multipart/alternative; boundary=20cf302075e4ed71d604f615a6cd
Received-SPF: pass (mx7.antispamcloud.com: domain of gmail.com designates 209.85.213.195 as permitted sender) client-ip=209.85.213.195; envelope-from=Bluehosttutorials@gmail.com; helo=mail-ig0-f195.google.com;
X-SPF-Result: mx7.antispamcloud.com: domain of gmail.com designates 209.85.213.195 as permitted sender
X-Filter-ID: XtLePq6GTMn8G68F0EmQveOvoFo7+04sHaU+aQGjobYi0opp2x9AytcIxrAv/iEuaWmMHd4i6wCz
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 n06aNthuTeE=
Authentication-Results: antispamcloud.com; spf=pass smtp.mailfrom=Bluehosttutorials@gmail.com
Authentication-Results: antispamcloud.com; dkim=pass header.i=gmail.com
X-Spampanel-Class: unsure
X-Spampanel-Evidence: Combined (0.15)
X-Recommended-Action: accept
X-Identified-User: {0000:box309.Bluehost.com:local:local} {sentby:Delivered locally}