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MailTester.AI

Web Application 4.3/5 Web

What is MailTester.AI?

Free email deliverability test: forward any email for instant SPF, DKIM, DMARC analysis and AI content optimization.

MailTester.ai is a free email deliverability testing tool that analyzes SPF, DKIM, DMARC, and content quality. Users forward any email to a unique address and receive a comprehensive report with spam score, AI-powered content suggestions, and technical fixes. It helps marketers improve inbox placement and open rates by identifying spam triggers and optimizing subject lines.

Key Features

SPF/DKIM/DMARC validation
AI content rewriting
Subject line optimization
SpamAssassin scoring
Spam trigger detection
Inbox placement prediction
Technical headers review
Actionable recommendations
Image-to-text ratio check
Link reputation check

Use Cases

Email marketers forward a newsletter from Mailchimp to get a spam score and AI rewrite suggestions, reducing spam folder placement by 47%.
Small business owners test promotional emails before sending to subscribers, ensuring high inbox delivery and avoiding spam filters.
Content creators analyze subject lines and body content for trigger words, improving open rates by 3.2x with AI-optimized phrasing.
Agencies validate client email campaigns across multiple platforms, providing comprehensive technical and content reports to boost deliverability.
E-commerce managers check transactional emails for authentication issues, fixing missing DMARC policies to prevent order confirmations from landing in spam.
Freelancers use the tool to test emails from Substack or ConvertKit, receiving step-by-step fixes for DNS records and content improvements.
Marketing teams compare before/after AI optimization results, demonstrating a 156% improvement in inbox placement to stakeholders.
email deliverabilityspam scoreSPFDKIMDMARCAI content rewritingsubject line optimizationSpamAssassinemail testinginbox placement

Alternatives

Mail-Tester.com GlockApps Litmus Spam Testing Email on Acid
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Frequently Asked Questions

What does MailTester.AI do?

Free email deliverability test: forward any email for instant SPF, DKIM, DMARC analysis and AI content optimization.

What are alternatives to MailTester.AI?

Popular alternatives to MailTester.AI include Mail-Tester.com, GlockApps, Litmus Spam Testing, Email on Acid.

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