Email Header Analyzer
Analyze email headers for deliverability issues. Check SPF, DKIM, DMARC results, server hops, and spam scores. Free header analyzer.
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email
header analyzer
diagnose deliverability issues from email headers
tl;dr
Email Header Analyzer Analyze email headers for deliverability issues. Check SPF, DKIM, DMARC results, server hops, and spam scores. Free header analyzer.
Analyze Email Headers
Email headers contain valuable diagnostics. Parse authentication results, server hops, and spam scores from raw headers.
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More Email Deliverability tools
dns record generator
generate spf and dmarc records for your domain. copy-paste ready dns records for email authentication. free dns generator tool.
domain health checker
check your domain's email deliverability configuration. verify spf, dkim, dmarc, mx records and more. free dns health check tool.
email blacklist checker
check if your domain or ip is on email blacklists. scan 50+ blacklist databases including spamhaus, spamcop, barracuda. free blacklist lookup.
email preview tool
preview how your email appears in gmail, outlook, and mobile. test subject lines, preheaders, and sender names. free email preview tool.
inbox placement predictor
estimate where your emails will land - inbox, promotions, or spam. score your sending setup and predict placement rates.
spam score calculator
check your email for spam triggers. score your subject line and body content against common spam filters. free spam score tool.
Frequently asked questions
In Gmail, open the email, click 3 dots, then 'Show original'. In Outlook, go to File > Properties > Internet headers.
An email header is a part of an email that contains metadata about the email, such as sender, recipient, and routing information.
By analyzing SPF, DKIM, and DMARC results, the tool helps identify issues that might affect whether emails reach their intended recipients.
The tool provides a spam score based on header analysis which can indicate potential spam characteristics.
Basic understanding of email headers is helpful, but the tool provides clear outputs that are easy to understand.
Yes, the Email Header Analyzer is completely free to use.
The tool supports standard email header formats as found in most email systems.
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A company receives an email that they suspect might not be properly authenticated.
Sample input
- Email Header: Received: from mail.example.com (mail.example.com [192.0.2.1]) by mail.anotherdomain.com with ESMTP id AA12345
- SPF: pass (mail.example.com: domain of sender@example.com designates 192.0.2.1 as permitted sender)
- DKIM: pass header.i=@example.com
- DMARC: pass (p=none)
Result
Analysis Results: - SPF: Pass - DKIM: Pass - DMARC: Pass - Server Hops: 2 - Spam Score: 2/10
About Email Header Analyzer
Email headers are often overlooked, yet they hold critical information for diagnosing deliverability issues. By analyzing these headers, you can uncover problems with email authentication protocols like SPF, DKIM, and DMARC. This tool deciphers these complex headers into understandable results, helping you ensure that your emails are properly authenticated and reducing the chances of them being marked as spam. Understanding the path your email takes through different servers can also highlight potential delays or security breaches, providing insights into the overall health of your email communication process.
How it works
- User inputs the raw email header into the tool.
- The tool parses each component of the header, identifying key elements such as SPF, DKIM, and DMARC results.
- The tool analyzes the sequence of server hops to identify any unusual patterns.
- A spam score is calculated based on header information and known spam indicators.
When to use it
- Email administrators verifying email authentication processes.
- Security teams investigating phishing attempts.
- IT departments troubleshooting email deliverability issues.
- Marketers ensuring their campaigns pass authentication checks.