Free · up to 1,000 emails · no signup
Fake signup audit
Drop your CSV. We'll tell you exactly how much of your list is disposable, dead, role-based, or fake — in under a minute.
Drop a CSV here
Or click to pick a file. We'll auto-detect the email column — any CSV works.
What we check
- MX records (dead domains)
- Disposable providers
- Role-based mailboxes
- Free / personal providers
- Duplicates
- Syntax validity
Your file is parsed in-browser. Only the extracted addresses are sent to our verification API — no names, no other columns.