Show HN: How to prevent spam and disposable signups

Category: security

Tags: email-verification, api, spam-prevention

Score: 4.7/10 (Innovation: 3, Technical: 5, Documentation: 5, Utility: 6)

EmailVerify.se is an API service that performs multiple email validation checks including syntax, MX lookup, SMTP ping, disposable and catch-all detection. It is interesting as a practical tool to protect sender reputation and reduce spam signups, though it is a commercial service rather than a novel open-source innovation.

Target audience: backend devs

Repository: https://emailverify.se/

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