bounce-prevention

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ParrotApi / smtp-mailbox-verification

Check if an email address really exists before you send. Live MX lookup + SMTP RCPT-TO handshake over residential IPs, with catch-all detection and risk scoring.

api disposable-email email-validation smtp email-verification rapidapi email-checker email-deliverability mx-records catch-all-detection list-cleaning bounce-prevention

Updated Jul 20, 2026

api-evangelist / email-verifier-api

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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, disposable address detection, role-account flagging, spam-trap and complainer detection…

email-verification deliverability apis-json greylisting lead-validation catch-all-detection bounce-prevention smtp-check disposable-detection spam-trap-detection role-account-detection typo-suggestion b2b-lead-scoring

Updated Aug 8, 2026

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