目的

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.

ソリューション

Gmail (Gmail)

1. From a browser, open Gmail.
2. Open the email you want to check the headers for.
3. 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

1. From a browser, open Outlook.
2. Open the email you want to see the headers for.
3. Click the 3 dot symbol ... on the right side of the email
   
4. From the dropdown menu, select View > View message details
   

The headers will show in a new pop up window.

AOL

1. Log in to your AOL account.
2. Open the email you want to see the headers for.
3. In the "Action" menu, select View Message Source.

The headers will show in a new window.

Yahoo! Mail

1. Log in to your Yahoo! Mail account.
2. Select the email you want to see the headers for.
3. Click More  View Raw Message.

The headers will show in a new window.

Apple Mail

1. Open Apple Mail.
2. Open the email you want to see the headers for.
3. Click View  Message  All Headers.

The headers will show in the window below your inbox.

Mozilla

1. Open Mozilla.
2. Open the email you want to see the headers for.
3. Click View   Message Source. 

The headers will show in a new window.

Opera

1. Open Opera.
2. Click the email you want to see the headers for so it shows in the window below your inbox.
3. Right click the body of the email.
4. Click View All Headers and Message.

The headers will show in the window below.