Email Header Analyzer
Paste raw email headers to inspect SPF/DKIM/DMARC results, received hops, and common deliverability issues.
About This Tool
The Email Header Analyzer helps you decode and analyze raw email headers to identify the real sender, mail server path, authentication status, and potential spam issues.
It’s perfect for email marketers, system administrators, cybersecurity professionals, hosting providers, and business owners who want to troubleshoot email delivery problems.
With this tool, you can:
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Analyze full email header data
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Identify sender IP address
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Check SPF, DKIM, and DMARC results
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Detect spoofing attempts
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Trace mail server route
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Diagnose spam or phishing issues
How It Works
1️⃣ Copy Email Header
Open your email → View original / Show source → Copy full header.
2️⃣ Paste Into Tool
Paste the complete raw header into the analyzer.
3️⃣ Instant Analysis
The tool extracts and displays:
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Sender IP address
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Sending server details
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Return-Path
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Authentication results (SPF, DKIM, DMARC)
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Message-ID
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Mail routing path
4️⃣ Review Security & Deliverability
Use the insights to:
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Fix email authentication issues
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Improve deliverability
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Detect spoofed emails
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Troubleshoot spam problems
Still Have Questions?
An email header contains technical details about how an email was sent, including servers used, IP addresses, and authentication results.
In Gmail: Open email → Click three dots → “Show original.”
In Outlook: Open email → File → Properties → Internet headers.
They are email authentication methods used to verify sender identity and prevent spoofing.
It can help identify suspicious sending servers, failed authentication checks, and spoofed domains.