email checker bot with proxy captcha bypass
Lead validation tool with email and phone verification built with Next.js
📫 Asynchronous email deliverability verifier that performs MX lookups, SMTP RCPT probes, and catch-all detection with retries, resume support, and CSV/JSON reporting.
A free review-first validation checklist for real estate lead intake workflows in n8n. Synthetic data only; no credentials or email gate.
Email Verifier API — independent third-party profile of a public API surface, by API Evangelist. Email Verifier API is a real-time email verification service offering a 16-point engine that validates deliverability through syntax checking, DNS / MX lookups, real-time SMTP handshakes, mailbox existence probing, catch-all and greylisting detection, d
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