Display full header for Jira-sourced emails in external clients
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Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
The purpose of this article is to provide the steps to generate email's full header in some of the popular email clients such as Gmail, Yahoo, Outlook, etc.
An example of email header in Gmail:

An example of email header in Outlook:
This might be required in order to troubleshoot incoming and outgoing mail related issues when troubleshooting with our support team.
Solution
Gmail (Gmail)
From a browser, open Gmail.
Open the email you want to check the headers for.
Inside the message, click More > Show original
The headers will show in a new window, including fields like authentication results. To get the full message header, click on Copy to clipboard.
Outlook / Hotmail
From a browser, open Outlook.
Open the email you want to see the headers for.
Click the 3 dot symbol ... on the right side of the email
From the dropdown menu, select View > View message details
The headers will show in a new pop up window.
AOL
Log in to your AOL account.
Open the email you want to see the headers for.
In the "Action" menu, select View Message Source.
The headers will show in a new window.
Yahoo! Mail
Log in to your Yahoo! Mail account.
Select the email you want to see the headers for.
Click More > View Raw Message.
The headers will show in a new window.
Apple Mail
Open Apple Mail.
Open the email you want to see the headers for.
Click View > Message > All Headers.
The headers will show in the window below your inbox.
Mozilla
Open Mozilla.
Open the email you want to see the headers for.
Click View > Message Source.
The headers will show in a new window.
Opera
Open Opera.
Click the email you want to see the headers for so it shows in the window below your inbox.
Right click the body of the email.
Click View All Headers and Message.
The headers will show in the window below.
If the email client is not being listed in this article please refer to the email client's documentations for the instructions on how to generate an email header.
Some of the information might not be up to date, we will review this article time to time and update the information to ensure the accuracy.
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