MailTester.ai Logo
🎯 Free DMARC Validator & Policy Checker

Validate your DMARC policies with
policyΒ validationΒ 

Forward any email to instantly validate DMARC policies, check SPF/DKIM alignment, and get detailed recommendations to improve your email security and deliverability.

Step 1: Forward any email to test DMARC policies:

Generating...

Step 2: We'll analyze DMARC policies and show results

Complete DMARC Policy Analysis
PRO
🎯

Policy Validation

DMARC record analysis

PRO
πŸ”—

Alignment Check

SPF/DKIM alignment

βœ…

Compliance Test

Policy compliance

πŸ”§

Fix Recommendations

Actionable improvements

Comprehensive DMARC policy validation with alignment checking, compliance testing, and security recommendations.

🎯 DMARC policy validation
πŸ”— Alignment checking
βœ… Compliance testing
πŸ”§ Fix recommendations

The Real Problem Isn'tTechnical Setupβ€”It's Content Quality

While everyone focuses on SPF and DKIM, the biggest deliverability killer is actually your content. Here's what the data reveals:

84%

of emails fail due to poor content quality

Spammy language, bad formatting, and weak subject lines kill deliverability

67%

of marketers can't identify spam triggers

They don't know which words and phrases are flagging their emails

3 hours

wasted per email rewriting content manually

Teams spend countless hours guessing what will work

45%

drop in open rates from poor subject lines

Bad subject lines mean emails never get opened, even if delivered

Fix your content, fix your deliverability
AI-Powered Email Intelligence

Beyond Technical Checks:AI That Understands Content

While others focus on SPF and DKIM, our AI analyzes your actual content, rewrites spammy phrases, and optimizes for maximum engagement.

AI Content Rewriting

Transform spammy content into inbox-friendly copy

Before AI Optimization

πŸ”₯ URGENT: Limited Time Offer! Buy Now and Save 50%! Don't Miss Out!!!

AI Processing
After AI Optimization

Exclusive savings available: 50% off your next purchase (limited time)

Key Improvements:

Removed excessive punctuation
Toned down urgency
Eliminated spam triggers
94%
Accuracy in spam prediction
3.2x
Average open rate improvement
47%
Reduction in spam folder placement
Sample Report
AI-assisted
67
/100
Moderate risk. Your emails may land in spam folders.
Content signals
45%
Authentication
85%
SpamAssassin
72%
List hygiene
90%
AI content analysis complete
βœ“
Subject line optimized
βœ“
Spam triggers detected
!
Content rewrite suggested
!
DMARC policy missing
βœ—
AI Suggestion Ready
Rewrite "URGENT SALE" β†’ "Limited-time savings available"
newsletter@company.com β€’ 2 issues found
Fix these issues
AI Content Analysis
Smart rewriting

Our AI analyzes your content for spam triggers, suggests better phrasing, and optimizes for maximum inbox placement.

Spam Score Prediction
Inbox insights

Get precise predictions on inbox vs spam placement with detailed explanations and actionable improvement suggestions.

Technical Validation
DNS & Auth

Complete DKIM, DMARC, SPF verification with copy-paste fixes for any misconfigurations we discover.

From Spam Folder to InboxWith AI Content Optimization

See how our AI transforms spammy content into inbox-friendly copy that actually gets delivered and opened.

Before AI

Spammy content triggers filters

Subject: 'URGENT!!! Limited Time OFFER!!!'
Content full of spam trigger words
Poor image-to-text ratio
Weak call-to-action placement
No personalization or engagement
Spam Score23/100
High risk - emails likely to be blocked
Open Rate12%
Inbox Placement31%
Revenue Impact-$8,400/month

After AI

AI-optimized for engagement

Subject: 'Your exclusive savings expire soon'
AI-optimized content without spam triggers
Perfect content balance and structure
Strategic CTA placement for conversions
Personalized, engaging messaging
Spam Score89/100
Excellent - high inbox delivery rate
Open Rate28% (+133%)
Inbox Placement94% (+203%)
Revenue Impact+$12,600/month
AI optimization delivers +156% better inbox placement

Test any email in 30 seconds

Get your deliverability score and actionable fixes before you hit send to thousands of subscribers.

Forward Email

Forward any email to your unique test address. Works with Mailchimp, Substack, ConvertKit, etc.

Instant Analysis

We check 50+ spam factors: SPF/DKIM/DMARC, content, links, images, and sender reputation.

Get Your Score

See your spam score (0-100) and exactly which issues are hurting your deliverability.

Fix & Improve

Follow step-by-step instructions to fix DNS records, improve content, and boost inbox rates.

Everything You Get in YourFree Deliverability Report

Our comprehensive analysis covers every aspect of email deliverability. Here's exactly what you'll receive in your detailed report:

Authentication Analysis

Complete SPF, DKIM, and DMARC validation

  • SPF record syntax and configuration check
  • DKIM signature validation and alignment
  • DMARC policy analysis and recommendations
  • Domain alignment verification

Content Spam Detection

AI-powered content analysis for spam triggers

  • Subject line spam word detection
  • Body content analysis for trigger phrases
  • Image-to-text ratio optimization
  • Link reputation and safety check

Technical Headers Review

Deep dive into email headers and metadata

  • Message-ID and routing analysis
  • Return-Path configuration check
  • Received headers validation
  • MIME structure optimization

SpamAssassin Testing

Industry-standard spam filter simulation

  • Real SpamAssassin rule evaluation
  • Detailed scoring breakdown
  • Rule-by-rule explanation
  • Priority fix recommendations

Deliverability Score

Comprehensive 0-100 deliverability rating

  • Overall deliverability score calculation
  • Category-specific sub-scores
  • Benchmark comparison
  • Improvement potential analysis

Actionable Recommendations

Step-by-step fixes prioritized by impact

  • High-impact fixes listed first
  • Technical implementation guides
  • Before/after impact predictions
  • Timeline estimates for each fix
All of this analysis takes just 30 seconds
Results in 30 seconds β€’ Comprehensive analysis
Frequently Asked Questions

Everything You Need to Know AboutEmail Deliverability Testing

Get answers to the most common questions about our free email analysis tool.

Our analysis uses the same SpamAssassin engine that powers many major email providers, combined with our proprietary AI models trained on millions of emails. We achieve 94% accuracy compared to actual Gmail, Outlook, and Yahoo spam filtering decisions. However, each provider has unique algorithms, so we provide a comprehensive score that represents the average across all major providers.

Still have questions? Test your email and see for yourself!
Optimize your email performance

Optimize Your EmailDeliverability

Join 12,000+ marketers who've already improved their email deliverability. Get your comprehensive analysis in 30 seconds and start reaching more customers.

Secure analysis
Results in 30 seconds
Comprehensive report
2,847
Emails tested this week
94%
Average improvement in inbox rate
30s
Average analysis time