Verify an email or a list

Mailbox verification is separate from extraction and from free Mail Intelligence. Credits are spent only when you run a check. You do not need Pro to buy or use verification credits.

Verify one email

Check a single address. Opening this page does not spend credits.

Verify one email

Verify a list

Upload CSV, XLSX, ODS or TXT. Choose worksheet and email column when needed, then download enriched CSV.

Upload a list

Mailbox verification results: Valid, Invalid, Catch-all and Unknown

CSV · XLSX · ODS · TXT
Up to 200,000 data rows per file · Maximum file size 20 MB

Legacy Excel (.xls) is not supported. Use modern Excel (.xlsx). Enriched results download as CSV. Mail Status and MX are domain evidence, not mailbox proof. Verification does not run automatically during extraction.

New here? Create a free account · Credit pricing · Verification overview