Home ›Email Tools ›Email Header Analyzer
Email Tool
Email Header Analyzer
Paste raw email headers to inspect delivery path, SPF/DKIM/DMARC alignment, and threat indicators.
Primary Use
Email Header Analyzer
Analyze raw email headers for routing and auth signals.
Execution Focus
Deliverability + compliance
Run targeted checks and validate required sender controls.
Operational Context
Combine this diagnostic with SPF, DKIM, DMARC, MX, and SMTP checks to confirm root-cause before changing sender policies.
Email Header Analyzer — Start Here
Waiting for input
Enter input and press Check
How to Use
Use Email Header Analyzer in 4 Steps
01
Add target input
Provide the required domain, report sample, or header payload for analysis.
02
Run Email Header Analyzer
Execute Email Header Analyzer to produce actionable deliverability/compliance output.
03
Review findings
Evaluate policy gaps, auth outcomes, and routing or reputation indicators.
04
Apply and re-verify
Fix source configuration and rerun checks using the same shared URL state.
What is Email Header Analyzer?
Email Header Analyzer helps teams analyze raw email headers for routing and auth signals. This page is built for repeatable deliverability audits and incident response workflows.
It is designed for deliverability operations where speed, documentation, and reproducible checks matter across engineering and email teams.
Operator Note
This tool is best used as part of a layered workflow: technical configuration checks first, then provider behavior and campaign telemetry validation.
Where This Fits in Email Operations
- Campaign readiness: validate critical controls before sends.
- Compliance checks: compare current posture to sender requirements.
- Incident handling: isolate auth/reporting failures quickly.
- Reporting workflow: document and share outputs for team execution.
Tool-Specific Focus
Core Focus
Header path validation and auth alignment
Ops Usage
Use during incident triage to validate SPF/DKIM/DMARC outcomes seen by recipient servers.
Key Metric
Alignment and hop consistency
Execution Readability Blocks
Input Quality
Use exact domain/report/header data to avoid false negatives.
Control Mapping
Tie each finding to SPF, DKIM, DMARC, MX, and SMTP controls.
Re-Verification
Re-run after every fix and keep URL-state evidence.
Recommended Validation Sequence
- Run this tool for focused signal.
- Cross-check SPF, DKIM, DMARC, MX, SMTP dependencies.
- Apply source-side fixes and rerun.
- Track outcomes against mailbox/provider telemetry.
Frequently Asked Questions
What does Email Header Analyzer focus on?
Email Header Analyzer is focused on analyze raw email headers for routing and auth signals. It is optimized for operational triage and team handoff.
How should I use this with SPF/DKIM/DMARC tools?
Use this tool as a targeted pass, then validate base authentication records and SMTP routing to confirm root cause and remediation quality.
Can I share the exact check context?
Yes. Input state is synced to query parameters so teams can open identical context instantly.
Can this be used in production workflows?
Yes, for fast diagnostics. For production-critical decisions, combine with provider logs and campaign telemetry.
Tool Status
ToolEmail Header Analyzer
PhaseEmail Expansion
Releaselive
Team Workflow
• Run focused check
• Validate auth dependencies
• Share URL-state output