Optimize your email content with AI rewriting
Forward any email to get AI-powered content suggestions, spam score analysis, and detailed recommendations to improve engagement and deliverability.
Step 1: Forward any email for AI content analysis:
Generating...Step 2: We'll analyze content and show AI suggestions
AI Rewriting
Content optimization
Spam Prediction
AI spam scoring
Subject Line Test
Headline optimization
Engagement Tips
Actionable insights
AI-powered email content analysis with rewriting suggestions, spam prediction, and engagement optimization.
The Real Problem Isn'tTechnical Setup—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:
of emails fail due to poor content quality
Spammy language, bad formatting, and weak subject lines kill deliverability
of marketers can't identify spam triggers
They don't know which words and phrases are flagging their emails
wasted per email rewriting content manually
Teams spend countless hours guessing what will work
drop in open rates from poor subject lines
Bad subject lines mean emails never get opened, even if delivered
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
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Key Improvements:
Our AI analyzes your content for spam triggers, suggests better phrasing, and optimizes for maximum inbox placement.
Get precise predictions on inbox vs spam placement with detailed explanations and actionable improvement suggestions.
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
After AI
AI-optimized for engagement
Test any email in 30 seconds
Get your deliverability score and actionable fixes before you hit send to thousands of subscribers.
Forward any email to your unique test address. Works with Mailchimp, Substack, ConvertKit, etc.
We check 50+ spam factors: SPF/DKIM/DMARC, content, links, images, and sender reputation.
See your spam score (0-100) and exactly which issues are hurting your deliverability.
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
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.
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.