Lero - Email Validator
Zero bounce for founders
Lero - Email Validator launched on July 10, 2025 with 118 votes, #354 of 9,224 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Enterprise-grade email validation for founders. Check any address in 50 ms with 97.3 % accuracy. Pay-as-you-go from $0.0003/email—first 500 checks free. Stop overpaying for bounces. Launch day: win 1 M credits!
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Email Validator by SidemailFeb 2026 · sidemail.io · ▲16Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
emailval — Email Validation APIJul 2026 · emailval.net · ▲3Email validation API — 10× cheaper than ZeroBounce
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