How to Get Email Headers

Note: Once you have gotten your email headers, please feel free to use our Email Header Analyzer.

When reporting spam that slips past the filters, it is essential that we receive the full message headers from a message. Additionally, sometimes our Support department may request the full headers from an email message in order to troubleshoot mail delivery problems.

Every single Internet e-mail message is made up of two parts the header and the message body of the email. Every single email you send or receive on the Internet contains an Internet Header, a full and valid e-mail header provides a detailed log of the network path taken by the message between the mail sender and the mail receiver(s) (email servers).

Your email client program will usually hide the full header or display only lines, such as From, To, Date, and Subject, see below for more information on pulling headers for your email client:

  1. Exchange Online for Office 365
  2. Outlook 2016
  3. Outlook 2013
  4. Outlook 2010
  5. Outlook 2007
  6. Outlook 2003
  7. Outlook Express
  8. Outlook 97
  9. Outlook 98
  10. Outlook 2000
  11. Outlook 2002
  12. Microsoft Exchange
  13. Outlook.com
  14. Zimbra
  15. Entourage
  16. Mac OS X Mail
  17. Outlook Express for Macintosh
  18. Gmail (works for Google Apps as well)
  19. Yahoo!
  20. AOL
  21. Zoho Mail
  22. Hotmail
  23. Mail.com
  24. GMX Mail
  25. FastMail
  26. ProtonMail
  27. Eudora
  28. Netscape, Mozilla or Thunderbird
  29. Lotus Notes
  30. Pine
  31. XtraMail
  32. Pegasus Mail
  33. Claris Emailer
  34. Mail Warrior
  35. Juno
  36. Novell Groupwise

Exchange Online for Office 365 - Back to Top

  1. Click to open the email message. 
  2. At the top right hand corner of the message, you will notice a dropdown menu arrow icon, next to the "Reply all" button. Click the dropdown menu arrow icon. 
  3. A menu will open, please select View message details which will appear near the bottom of the menu. 
  4. This will open a new popup window in the bottom right corner with the email headers for the message.
  5. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  6. Now paste the copied message headers into our Email Header Analyzer.

Outlook 2016 - Back to Top

  1. Double click on the email message so that it is opened in its own window. 
  2. On the Message tab, in the Options section there is a little button with an arrow in it. Click on it and you have the message options menu with the internet headers in the bottom section. 
  3. This will bring up the Message Options window. The last component of this is the Internet Headers. 
  4. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Options window.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer. You can copy and paste these message headers into our Email Header Analyzer.

Outlook 2013 - Back to Top

  1. Double click on the email message so that it is opened in its own window. 
  2. On the Message tab, in the Options section there is a little button with an arrow in it. Click on it and you have the message options menu with the internet headers in the bottom section. 
  3. This will bring up the Message Options window. The last component of this is the Internet Headers. 
  4. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Options window.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer. You can copy and paste these message headers into our Email Header Analyzer.

Outlook 2010 - Back to Top

  1. Double click on the email message so that it is opened in its own window. 
  2. On the Message tab, in the Options section there is a little button with an arrow in it. Click on it and you have the message options menu with the internet headers in the bottom section. 
  3. This will bring up the Message Options window. The last component of this is the Internet Headers. 
  4. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Options window.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Outlook 2007 - Back to Top

  1. Double click on the email message so that it is opened in its own window. If you are new to Outlook 2007, you will be working on what is called the Ribbon. This is a series of tabs across the top of the message, Message, Developer etc.
  2. On the Message tab, in the Options section there is a little button with an arrow in it. Click on it and you have the message options menu with the internet headers in the bottom section.
  3. This will have brought up the Message Options window. The last component of this is the Internet Headers.
  4. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Options window.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Outlook 2003 - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. On this new window menu, go to View -> Options. If you do not see options, you may have to reveal it by clicking on the two down arrows at the bottom of the menu.


  3. This will have brought up the Message Options window. The last component of this is the Internet Headers. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  4. Close the Message Options window.
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Outlook Express - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. From the File menu, click Properties.
  3. Click the Details tab.
  4. Click Message Source. A new window will open containing all the headers and original message:
  5. Right-click anywhere inside this window and choose Select All.
  6. Right-click again and choose Copy.
  7. Close this window, the details window and the message window (so you are back to the main Outlook Express program).
  8. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Outlook 97 - Back to Top

To view headers in Outlook 97, it may require the update: Internet Mail Enhancement Patch
  1. If you already have the update or just installed it, open any message and look for Internet headers on the Options tab. If you don’t see the Options tab, choose View | Message Header to display it.

Outlook 98 - Back to Top

  1. Open the message you’d like to view headers for.
  2. Click Options from the drop-down menus.
  3. Near the bottom of the screen you’ll see a section titled Internet Headers.
  4. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Source box.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer. Click on forward and address the message to  spam@mxtoolbox.com. In the area above the copied part of the message, Paste the Internet Headers and click Send.

Outlook 2000 - Back to Top

  1. Open the message you’d like to view headers for.
  2. Select Options, then Full Headers.
  3. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  4. Close the Message Source box.
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer. Click on forward and address the message to  spam@mxtoolbox.com. In the area above the copied part of the message, Paste the Internet Headers and click Send.

Outlook 2002 - Back to Top

  1. Open the message you’d like to view headers for.
  2. Click Options from the drop-down menu.
  3. A box called Message Options pops up.
  4. Near the bottom of the box you’ll see a text area titled Internet headers.
  5. Right-click inside the headers and choose Select All, then right-click again and choose Copy.
  6. Close the Message Source box.
  7. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer. Click on forward and address the message to  spam@mxtoolbox.com. In the area above the copied part of the message, Paste the Internet Headers and click Send.

Microsoft Exchange - Back to Top

  1. Click the "File" menu
  2. Click "Properties"
  3. Click the "Details" tab
  4. Click "Message Source"
  5. Highlight, copy and paste everything in the "Message Source" windows

Outlook.com - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice a dropdown menu ellipse icon (More actions) on the far right, next to the "Forward" (?) icon. Click the dropdown menu ellipse icon. 
  3. A menu will open, please select "View message source. 
  4. This will open a new popup window with the email headers for the message. 
  5. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  6. Now paste the copied message headers into our Email Header Analyzer.

Zimbra - Back to Top

  1. Right click the desired message and select Show Original
  2. This will open a new window with the source headers, select all and send in a new message to spam@mxtoolbox.com.

Entourage - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. Choose View > Internet Headers.
  3. Click inside the new box that appears in your message and choose Edit > Select All.
  4. Click inside the box again and choose Edit > Copy
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Mac OS X Mail - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. View > Message > Raw Source
  3. Copy the headers by right clicking, selecting all and then choosing copy.
  4. Close the Message Source box.
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Outlook Express for Macintosh - Back to Top

  1. Select the email.
  2. Choose View and then choose Source.
  3. A new window will appear containing the email with full headers.
  4. Press command + A, to select all, then command + C to copy.

Gmail (works for Google Apps as well) - Back to Top

  1. Open the message you’d like to view headers for.
  2. Click the down arrow next to Reply, at the top-right of the message pane.
  3. Select Show original.
  4. The full headers will appear in a new window, simply right-click inside the headers and choose Select All, then right-click again and choose Copy.
  5. Close the Message Source box.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Yahoo! - Back to Top

  1. Go to Options > General Preferences
  2. Under Mail Viewing Preferences, go to Message Headers, then select ALL.
  3. Hit the small down arrow next to Forward and choose As Inline Text.
  4. Forward the message to spam@mxtoolbox.com.

AOL - Back to Top

The email files are in an html format. The objective is to save the file in html format. This can be done as follows:
  1. To begin, open the email message by clicking on it.
  2. Click on Details (right above the To: and From: fields) and choose View Message Source.
  3. The full headers will appear in a new window, simply right-click inside the headers and choose Select All, then right-click again and choose Copy.
  4. Close the Message Source box.
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Zoho Mail - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice a dropdown menu arrow icon (More actions) on the far right, next to the "Forward" (?) icon. Click the dropdown menu arrow icon. 
    Dropdown menu
  3. A menu will open, please select "Show original." 
    Clicking Show Original
  4. This will open a new popup window with the email headers for the message. 
  5. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  6. Now paste the copied message headers into our Email Header Analyzer.

Hotmail - Back to Top

  1. In the left pane, click Mail.
  2. In the Folders list, click Inbox.
  3. Once in the Inbox, click on the message that you are getting the headers for.
  4. Right-click the message in the message list, and then click View source.
  5. The full headers will appear in a new window, simply right-click inside the headers and choose Select All, then right-click again and choose Copy.
  6. Close the Message Source box.
  7. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Mail.com - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice an "i" icon (More information) on the far right, next to the date/time. Click the "i" icon. 
  3. This will open a new popup window with the email headers for the message. 
  4. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  5. Now paste the copied message headers into our Email Header Analyzer.

GMX Mail - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice an "i" icon (More information) on the far right, next to the date/time. Click the "i" icon. 
  3. This will open a new popup window with the email headers for the message. 
  4. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  5. Now paste the copied message headers into our Email Header Analyzer.

FastMail - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice a dropdown menu arrow icon (More) on the far right, next to the "Reply" (?) icon. Click the dropdown menu arrow icon (More). 
  3. A menu will open, please select Show Raw Message. 
  4. This will open a new tab window with the email headers for the message.
  5. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  6. Now paste the copied message headers into our Email Header Analyzer.

ProtonMail - Back to Top

  1. Click to open the email message. 
  2. On the top message action menu, you will notice a dropdown menu arrow icon (More) on the far right, next to the "Forward" (?) icon. Click the dropdown menu arrow icon. 
  3. A menu will open, please select View headers. 
  4. This will open a new popup window with the email headers for the message.
  5. Next, copy the entire page of email headers.
    1. If you are using a computer operating Windows, hold down the Ctrl and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Ctrl and C keys to copy the text (or you can right click with your mouse and select Copy).
    2. If you are using a computer operating with Mac OS, hold down the Cmd and A keys on your keyboard to select all of the text. Then with the text still highlighted, hold down the Cmd and C keys to copy the text (or you can right click with your mouse and select Copy).
  6. Now paste the copied message headers into our Email Header Analyzer.

Eudora - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. Click on the tool bar icon labeled blah, blah, blah.
  3. Copy the headers by right clicking, selecting all and then choosing copy.
  4. Choose Edit > Copy.
  5. Close the Message Source box.
  6. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Netscape, Mozilla or Thunderbird - Back to Top

  1. To begin, open the email message in a new window by double-clicking on it.
  2. Choose View > Headers > All
  3. This will expand the top of your email message and it will now include the full headers.
  4. Right-click again and choose Copy.
  5. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

Lotus Notes - Back to Top

Lotus Notes v.4.x
  1. Look for the first line that begins with "Received". There should be a blank line just above it.
  2. Then, scroll down to the next blank line. The data in-between the two blank lines are the headers you need.
Lotus Notes v.5.x
  1. Open your inbox
  2. Highlight the message that you wish to get header information for.
  3. Choose File -> Export...
  4. Type in a filename, leave the type as "Structured Text" and click Export
  5. From the Dialog Box that comes up, choose "Selected Documents" and click OK
  6. Now you can open that message you saved in WordPad and Cut and Paste it.

Pine - Back to Top

You must configure Pine to allow showing message headers. You may skip steps 1-6 below if you have performed this configuration.
  1. Press the h key while viewing the message to show full headers. If this returns the error Command h not defined for this screen, do the following:
  2. Go to the Pine start up screen.
  3. Hit s for Setup.
  4. Hit c for Config.
  5. Scroll down to the section labeled Advanced Command Preferences.
  6. Put an x for the enable-full-header-cmd feature.
  7. Type E to exit Config, and Y to save changes.
  8. The next time you read a message, type H and the full headers will be displayed at the top of the message. Type H again to hide the headers.
  9. You should now be looking at the original message window. You can copy and paste these message headers into our Email Header Analyzer.

XtraMail - Back to Top

  1. Log into XtraMail
  2. Click on "Options" in the left-hand navigation bar.
  3. Click the "Display" button.
  4. Change the Message Headers option to "Full".
  5. Click the OK button to confirm.

Pegasus Mail - Back to Top

  1. In the New Mail or other folder window:
  2. Right click the message, and select Message Properties.
  3. In the right hand column uncheck the box beside Contains HTML data.
  4. Click OK. That should allow you to see the message as a text message only.
  5. Click Ctrl-H to bring up the full headers.

Claris Emailer - Back to Top

Version 2.0 and higher:
  1. Use the "Show Long Headers" option in the "Mail" menu while you have the message open.
Versions earlier than 2.0:
  1. Click the blue triangle near the "from" information to show additional message information
  2. Click the "Show Original Headers..." button to bring up the full header info.

Mail Warrior - Back to Top

  1. When viewing the message, click File, then Save Message As.
  2. A standard save window will appear.
  3. Save the message as a .txt file (document.txt).
  4. Open the file you created, select all (ctrl-A) and copy (ctrl-c).
  5. And paste (ctrl-v).

Juno Version 4+ - Back to Top

  1. On the drop down menu "Options"
  2. Choose "Email Options" (press ctrl-E)
  3. Under "Show Message Headers", select the "full" option.
  4. Click the OK button to save the setting. Juno version 4+ can display MIME and HTML email, but does not provide a way of viewing the HTML Source for the message within Juno.

Novell GroupWise - Back to Top

  1. Open the message
  2. In the message window select: File > Attachments > View
  3. Select the Mime.822 attachment
Note: If you need assistance in understanding email headers, please feel free to use our Email Header Analyzer.
 
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