Bulk Email MX Verifier — Cold Email List Cleaner

Bulk email verifier, validation API, and email checker for lead lists. Check syntax, MX records, disposable domains, free providers, role accounts, catch-all domains, and optional SMTP reachability. Clean CRM/cold email lists, reduce bounces, and verify leads. No API key required.

Bulk-validate email addresses: syntax, MX, disposable/role-based detection. For cold-email hygiene at scale.

Email MX Verifier

maximedupre/email-mx-verifier

Check email syntax, MX records, disposable domains, role addresses, free providers, typo suggestions, and delivery risk. Export clean rows for CRM, outreach, signup, and data workflows.

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.

Bulk Email Verifier – Validate & Clean Email Lists

logiover/bulk-email-verifier

Bulk email validation tool. Verify email lists without SMTP, check deliverability, flag disposable/role addresses, export clean CSV/JSON.

Email Verifier

crawlerbros/email-verifier

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

Simple Email Validator

seemuapps/simple-email-validator

Validate email addresses in bulk by checking syntax, MX records, disposable domains, role accounts, and free providers.

SMTP Email Verifier

maximedupre/smtp-email-verifier

Check email addresses in bulk with syntax validation, MX records, SMTP RCPT TO mailbox probes, catch-all detection, disposable and role flags, confidence, and recommended actions. No email is sent.

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.

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.