Viewing the Full Headers of an Email

How to View Full Headers on Emails

Sometimes a MailRoute support person might ask you to provide us with the full headers of an email, so we can examine and evaluate it to help improve our filtering or to diagnose any issues with the message.

Once you have the internet headers, you can email them to us by pasting them into the body of an email to support@mailroute.net or submit it via our helpdesk ticket system at support.mailroute.net.

But how do you find those headers? Here's how you can do this in various different email clients:

Mail.app (Mac OS X)

  1. Select the message in your Inbox or other folder
  2. From the View menu, select Message, and then select either Raw Source

Outlook 2010

  1. Open the message in it's own window (via a double-click)
  2. Click the File tab
  3. Click Properties

The header information appears in the Internet Headers box.

Outlook 2007

  1. Open the message in its own window (via a double-click)
  2. On the Message tab, in the Options group, click the Dialog Box Launcher (small square with an arrow)

In the Message Options dialog box, the headers appear in the Internet headers box.

Outlook 2003

  1. Open the message in its own window (via a double-click)
  2. From the View menu, select Options...*

The message headers are at the bottom of the window, in a box labeled "Headers" or "Internet headers".

Outlook Web App (OWA)

  1. Open the message in its own window (via a double-click)
  2. Click the Message Details icon (an envelope with a small document over it)

Entourage (Mac OS X):

  1. Open the message in a separate window (via a double-clic)
  2. From the Message (Entourage 2008) or View (earlier versions) menu, select Internet headers.

Outlook 2011 (Mac OS X):

  1. In your Inbox (or other folder), right-click or control-click the message, and then select View Source

Thunderbird 3.x (Windows, Mac OS X):

  1. Click View, select Headers, and then choose All.

 

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Contact sales@mailroute.net or support@mailroute.net for more information. 

888.485.7726

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