Free Tool · No Data Stored
📧 Email Header Analyzer
Free email header analysis — trace the delivery path, check SPF/DKIM/DMARC results and per-hop delays
All processing happens in your browser — no data is sent anywhere
📬
Paste email headers above and click "Analyze Headers" to see results
How It Works
How to View Email Headers
Gmail
Open email → click ⋮ (3-dot menu) top right → "Show original" → click "Copy to clipboard" and paste here
Outlook / Office 365
Open email → File → Properties → Internet Headers, or press Ctrl+Shift+I → Message Options
Apple Mail
Open email → View → Message → All Headers, or press Shift+Cmd+H to show full headers
Roundcube (DirectAdmin)
Open email → click "More" → "Show source", then copy the header section (lines before the blank line)
Email Landing in Spam or Not Delivering?
AsiaGB Business Email Hosting comes with SPF/DKIM pre-configured. Browse our email guides to troubleshoot any delivery issue.
View All Email Guides