EmailAuth.app

What it does

Free email authentication tool to analyze and verify your domain's SPF, DKIM, and DMARC records. Available as a web tool and ChatGPT plugin. Improve email deliverability, prevent spoofing, and secure your domain with actionable recommendations.

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  Email InspectNov 2025 · emailinspect.com · ▲9

  Free dmarc, spf & dkim analyzer tools

• DC
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  MailerCheck 2.02023 · ▲145

  All-in-one email deliverability platform for businesses

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  Email Deliverability API & Checker28d ago · web-production-80c77.up.railway.app · ▲2

  Instantly audit SPF, DKIM & DMARC to stop landing in spam.

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  DKIM.proMay 2026 · dkim.pro · ▲3

  Monitor SPF, DKIM and DMARC before email breaks

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