Free bulk email checker
Paste up to 10 emails (one per line or comma-separated). Instant DNS + disposable check for each. No signup.
When you'd use bulk checking
- → Clean a small list. Before importing 25 leads into your CRM.
- → Test a competitor's list. Quickly sample-check if it's hygenic.
- → Verify CSV before upload. Catch obviously broken addresses before paying to verify the whole list.
Free vs paid bulk verifier
| Feature | Free tool | MailoClean |
|---|---|---|
| Emails per check | 10 / batch | 50,000+ |
| Syntax + MX + Disposable | ✓ | ✓ |
| Live SMTP mailbox check | — | ✓ |
| Catch-all detection | — | ✓ |
| CSV download (valid / invalid / risky) | — | ✓ |
| Accuracy | ~80% | 99% |
| Price | Free | From $0.008/email |