Finding your email headers

An email header contains vital information about the recipient, the origin of the email and other technical details. Depending on which tool you use, email headers are located in the email source code (comprising the email header and HTML code) or in a separate location. Here is an example of a header (originating from Gmail):

Our customer support team may need the email header to answer your questions (for example, if you have a deliverability problem).

How do you find your email headers?

Every email service is different. To find the email header, we suggest you consult the help pages of the most popular ones:

• Orange
• Outlook 2010
• Outlook 2007
• Outlook 2002 and 2003
• Gmail, AOL, Yahoo and Hotmail
• Apple Mail

If you use another email service, here is the complete list available at MXToolbox:

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