Email headers contain information about when and from where an email came as well as about the path it took. These elements also include important information that various services add to an email.
Analyzing email headers can help you find out the reasons for email delivery delays and discover what caused your email to end up in the spam folder as well as solve other issues.
Gmail
- Open the email.
- Click the "More" button (three vertical dots).
- Select the "Show original" option.
Outlook.com
- Open the email.
- Click the "More actions" button (three horizontal dots).
- Select the "View message source" option.
Outlook 2016
- Open the email in a new window.
- Click "File" at the top of the window with the email.
- Click "Properties".
- Find the "Internet headers" in the "Properties" window.
Mozilla Thunderbird
- Open the email.
- Click the "More" button at the top of the email.
- Select the "View Source" option.
The Bat!
- Open the email in a new window.
- Open the "Specials" menu.
- Select the "View source" option.
Apple mail
- Open the email.
- Open the "View" menu.
- Open the "Message" option.
- Select "Raw Source".
Yahoo! Mail
- Open the email.
- Click the "More" button (three horizontal dots) at the top of the email.
- Select the "View raw message" option.
Aol Mail
- Open the email.
- Click the "More" button at the top of the email.
- Select the "View Message Source" option.
Yandex Mail
- Open the email.
- Click the "More" button (three horizontal dots) at the top of the email.
- Select the "Message properties" option.
Last Updated: 2019-09-19
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