How To View Received Email Headers

Here is how to view the received Email Headers, using the most commonly used email clients:

webmail.his.com (Zimbra)

• Open the message in question by clicking on it in the list of messages.
• Right-Click and select the menu option View Original.

Outlook Express 5 and 6

• Right click on the message and click on Properties.
• Click on the Details tab and click the Message Source button.

Windows Mail (Vista) and Windows Live Mail (Windows 7)

• In the list of messages, right-click on the message in question and choose Properties.
• In the Properties window click on the Details tab.
• The headers will be displayed in the section labeled Internet headers for this message.

Outlook 2003 and prior

• Open the message in its own window by double clicking on it in the list of messages.
• Click on View, then Options in the message’s menu bar.
• Near the bottom of the Options screen is a section labeled Internet Headers that contains the full message headers.

Outlook 2007

• Open the message in its own window by double clicking on it in the list of messages.
• In the window click the small arrow just to the right of Options.
• The Message Options screen contains a section labeled Internet headers.

Outlook 2010- 2013

• Open the message.
• Select File > Info > Properties.
• The headers will be in the section marked Internet Headers.

Mozilla Thunderbird

• Open the message in its own window by double clicking on it in the list of messages.
• In the menu bar, select View, then Headers, and click All.
• Alternatively, try clicking on View followed by Message Source.

Mac Mail, Mail or Mail.app

• Open the message in its own window by double clicking on it in the list of messages.
• In the menu bar, click on View, then Message, then Raw Source.

Entourage 2004

• Open the message in its own window by double clicking on it in the list of messages.
• In the menu bar, click on View and then Internet Headers.

Entourage 2008

• Open the message in its own window by double clicking on it in the list of messages.
• In the menu bar, click on Message and then Internet Headers.

SquirrelMail

• Open the message in question by clicking on it in the list of messages.
• Click on the link marked View Full Header in the Options section at the top of the message.

Horde

• Open the message in question by clicking on it in the list of messages.
• Click on the link marked Show All Headers.

RoundCube

• Open the message in question by clicking on it in the list of messages.
• Click on the link marked Message Source.