Providing Full Headers
Sometimes, when troubleshooting a mail delivery problem, we may ask you to provide the "full headers" of an email message. Emails have a "body" section with the actual text of the message, and a header section with information such at the subject, from address and send date. Your email program will typically only show you a few of these headers, but many more are hidden, and may be useful.
When you simply "forward" a message, your email client will typically include only a small subset of the headers, and often not the one's we in which we are most interested. If your email client has a "forward as attachment" option, that will generally include everything. Otherwise, displaying these headers is different in different email clients.
Show Full Headers in Outlook
- Double-click the message for which you want to view full internet headers.
- Click on
Options
in Outlook 2007 orTags
in Outlook 2010/2013 -
This will bring up the
Message Options
orMessage Properties
dialog box. The full headers are displayed in theInternet headers
field at the bottom. - You can copy the headers and paste them into a new email.
Show Full Headers in Apple Mail.app
- Double-click the message for which you want to view full internet headers.
- Go to the
Message
menu and selectForward as attachement.
- Alternately, you can go to the
View
menu and selectMessage
and then eitherAll Headers
orRaw Source
. You can copy and paste the headers into a new message.
Show Full Headers in Thunderbird
- Double-click the message for which you want to view full internet headers.
- Go to the
Message
menu and selectForward as
and thenAttachement.
- Alternately, you can go to the
View
menu and selectMessage Source
. You can copy and paste the headers into a new message.