Email Verifier

Verify email addresses via three checks — RFC syntax, DNS MX record presence, and SMTP RCPT TO probe with a short timeout. One row per email with verdict, MX hosts, reason. Pure protocol, datacenter-friendly.

Email Verifier

crawlerbros/email-verifier

Verify email addresses for deliverability. Check syntax, MX records, disposable domains, role-based addresses, and SMTP mailbox existence.

Email Verifier & Validator - Bulk, Syntax, MX & Disposable

santhej/email-verifier

Bulk-verify email addresses: syntax, domain/MX deliverability, disposable, role-account, free-provider and typo detection. Fast, no API key, pay per email.

Email Validator & Verifier — MX, SMTP & Syntax

junipr/email-validator

Validate email addresses in bulk with syntax, domain, MX, disposable-domain, role-account, and optional SMTP checks for list QA.

Email Verifier — Syntax, MX & Disposable Check

bgfc97/email-verifier-mx

Bulk-verify email addresses: syntax, domain, live MX records (via DNS-over-HTTPS), disposable/temp detection, free-provider and role-account flags, plus a deliverability status. List cleaning and lead-gen. No key, no proxy.

Email Verification MX Checker — Syntax, DNS & SMTP

perryay/email-verification-mx-checker

Verify email addresses with multi-layer checks: syntax validation, MX record lookup, SMTP mailbox verification, disposable domain detection, role-based detection, and domain typo suggestions.

Verify email addresses with syntax validation, MX record check, disposable domain detection, role-address detection, and deliverability assessment.

Verify email deliverability via syntax checks, MX lookups, and a non-intrusive SMTP RCPT probe. Flags disposable domains, role accounts, and catch-all servers. $0.001/email + $0.02 start.

Email Verifier (Syntax + MX + SMTP)

andok/email-verifier

Verify email deliverability via syntax checks, MX lookups, and a non-intrusive SMTP RCPT probe. Flags disposable domains, role accounts, and catch-all servers. $0.001/email + $0.02 start.

Verify emails in bulk without sending mail: syntax, MX, SMTP mailbox probe, catch-all, disposable, role, free & SPF/DMARC/DKIM. Get deliverable/undeliverable/risky verdict + 0-100 score. Clean your lead list before you send. No API key.