Email Verifier & Validator - Bulk Syntax, MX Check, No SMTP

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.

Bulk Email MX Verifier — Cold Email List Cleaner

automation-lab/email-mx-verifier

Clean scraped or purchased B2B lead lists before outreach. Bulk-check email syntax, MX records, disposable domains, providers, role/risk signals, and optional SMTP probe with no external API. Export CSV/JSON for Instantly, CRM, and campaign tools.

Email Verifier — Bulk Validation, Catch-All & Bounce Removal

logical_vivacity/email-verifier

The email verifier that admits what it cannot know. Catches syntax errors, dead domains, disposables, role accounts and catch-alls — and flags Microsoft 365, Proton and gateway domains as unverifiable instead of calling them valid. Returns SPF, DMARC, MX provider and a 0-100 score.

Bulk Email Validator — Verify & Clean Lists API

nexgendata/email-validator

Validate thousands of emails in bulk: syntax, live DNS/MX verification, disposable-domain, free-provider and role-account detection. $0.05 per address, pay only for delivered rows. Clean lists before campaigns to protect sender reputation.

Bulk email verifier: RFC 5322 syntax, MX lookup, 5400+ disposable blocklist, role-based (info@, sales@) detection, optional SMTP HELO+RCPT probe (never sends mail), and a 0 to 1 confidence score. For list cleanup and cold-email hygiene.

Email Verifier API | $0.88/1k | SMTP, MX & Catch-All

sumitr_mardy/email-verifier

Bulk email verification from $0.55 per 1,000 ($0.88 on Free/Starter). Live SMTP check, MX, disposable & role detection, honest catch-all reporting. Flat, schema-stable JSON that is never null. Works with n8n, Make, Zapier and AI agents via MCP. A ZeroBounce / NeverBounce alternative.

Email Verification API — Bulk Syntax, MX & Disposable Checks

nexgendata/email-verification-tool

Verify email addresses in bulk: syntax validation, live MX-record checks, disposable-domain and role-account detection — strips the addresses that cause most bounces. No SMTP mailbox probe (every row says so). $0.05 per address, only delivered verdicts are charged. No API key.

Bulk Email Verifier — MX, SMTP & Disposable Detection at Scale

ryanclinton/bulk-email-verifier

Verify email deliverability in bulk — MX records, live SMTP mailbox checks, disposable domain detection (55,000+ domains), role-based flagging, catch-all detection, and confidence scores. $0.005/email, no subscription.

Email Validation API - Bulk Email Checker & Verifier

pink_comic/email-validation-checker

Bulk email verification and validation API for lead lists. Check syntax, MX records, disposable/free domains, role accounts, catch-all behavior, and optional SMTP signals. Clean CRM lists and assess email risk without an API key. Results do not guarantee mailbox ownership, reachability, or delivery.

Email Validation Api

ghewaretech/email-validation-api

Validate email addresses at scale with enterprise-grade accuracy. This API performs comprehensive email verification including syntax validation, DNS/MX record checks, disposable email detection, and optional SMTP mailbox verification.