Free tools
Tools for people who send email.
Free, no signup, no catch. Built from the same infrastructure that runs GoodPostal.
Email DNS Checker
Check the SPF, DKIM, DMARC, and MX records for any domain in seconds, with plain-language fixes for what is missing.
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SES Access Request Generator
Answer four questions and get an Amazon SES production-access request written the way AWS reviewers want to read it.
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EmailCheck
Paste your email HTML for a pre-send report card: Gmail clipping, missing alt text, unsubscribe link, spam triggers, and a live preview in light and dark mode.
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