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Dev tools · January 21, 2026

MailLinter

AI Email Testing Tool | Spam, Accessibility & Compatibility

MailLinter launched on January 21, 2026 with 9 votes, #1,189 of 14,584 launches that month and more than 90% of that year's launches.

What it does

Free email testing tool with AI-powered deliverability scoring. Test spam scores with SpamAssassin, check WCAG accessibility, and verify compatibility across Gmail, Outlook, Apple Mail & 15+ clients. GPT-4o & Claude analyze all results into prioritized fixes. One Docker command setup.

Test spam scores , WCAG accessibility , and client compatibility across Gmail, Outlook, Apple Mail & 15+ email clients. One Docker command. Zero configuration. Use AI-powered analysis and comprehensive testing tools for professional email delivery. Save time and focus on content with our developer-friendly solutions. Get instant feedback on tone, clarity, and engagement using GPT-4o and Claude. Actionable suggestions to improve your email effectiveness. Get started in 30 seconds with a single Docker command. No complex setup or dependencies. Detailed rule breakdown and deliverability insights to ensure inbox placement. Share email tests and analysis with your team members. Collaborate on…from maillinter.com

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