Option 1: Check Email Headers via Hostinger Mail Webmail<\/h2>
The easiest way to view email headers is through the Hostinger Mail web app.<\/p>
Step-by-step instructions<\/h3>\n- Log in to Hostinger Mail webmail<\/a>.<\/li>\n
- Open the email you want to inspect.<\/li>\n
- Click the three dots<\/strong> (More options) in the top-right corner of the email.<\/li>\n
- Select Show original<\/strong>.<\/li>\n<\/ol>
This opens the original email source, including full headers and message content.<\/p>
![\"\"](\"https:\/\/www.hostinger.com\/support\/wp-content\/uploads\/sites\/55\/2026\/01\/Screenshot-2026-01-27-at-14.20.18.png\")
<\/a><\/p>From here, you can:<\/p>
\n- Click Copy to clipboard<\/strong> to copy all headers and content<\/li>\n
- Click Download .eml<\/strong> to save the email as a file<\/li>\n<\/ul>
The .eml file<\/strong> can be shared with support teams or opened in other email tools for analysis.<\/p>![\"\"](\"https:\/\/www.hostinger.com\/support\/wp-content\/uploads\/sites\/55\/2026\/01\/Screenshot-2026-01-27-at-14.20.46.png\")
<\/a><\/p>
Option 2: Check Email Headers Using Third-Party Email Apps<\/h2>
If you access your email using a third-party email application, you can still view headers.
\nThe exact steps depend on the app you are using.<\/p>
See the following guides for detailed instructions:<\/p>
\n- How to view email headers in Gmail<\/a><\/li>\n
- How to view email headers in Outlook<\/a><\/li>\n
- How to view email headers in Apple Mail<\/a><\/li>\n
- How to view email headers in iCloud<\/a><\/li>\n
- Mozilla Thunderbird – use the shortcut Ctrl+U (Windows\/Linux) or Cmd+U (Mac)<\/li>\n<\/ul>
When You May Need Email Headers<\/h2>
Email headers are commonly requested when:<\/p>
\n- An email is marked as spam<\/li>\n
- An email is delayed or not delivered<\/li>\n
- You need to verify sender authentication (SPF, DKIM, DMARC)<\/li>\n
- You are reporting an email delivery issue<\/li>\n<\/ul>
Troubleshooting<\/h2>\n- I don’t see the “Show original” option:<\/strong>
\nMake sure the email is fully opened and click the three dots inside the message view.<\/li>\n- The .eml file won’t download:<\/strong>
\nTry refreshing the page or using a different browser.<\/li>\n- Copied headers look incomplete:<\/strong>
\nUse Download .eml<\/strong> instead for full data.<\/li>\n<\/ul>
This opens the original email source, including full headers and message content.<\/p>
From here, you can:<\/p> The .eml file<\/strong> can be shared with support teams or opened in other email tools for analysis.<\/p> If you access your email using a third-party email application, you can still view headers. See the following guides for detailed instructions:<\/p> Email headers are commonly requested when:<\/p><\/a><\/p>\n
<\/a><\/p>Option 2: Check Email Headers Using Third-Party Email Apps<\/h2>
\nThe exact steps depend on the app you are using.<\/p>\n
When You May Need Email Headers<\/h2>
\n
Troubleshooting<\/h2>
\n
\nMake sure the email is fully opened and click the three dots inside the message view.<\/li>\n
\nTry refreshing the page or using a different browser.<\/li>\n
\nUse Download .eml<\/strong> instead for full data.<\/li>\n<\/ul>