How it works
From messy list to clean list in four steps
- 1
Create a free account
Sign up and start with 100 free verifications.
- 2
Upload your list
Drop in a CSV. Columns map automatically.
- 3
We verify each address
Real SMTP checks find invalid, risky, and disposable addresses.
- 4
Export a clean list
Download verified results and send with confidence.
What we check
Clean lists, less bounce
Remove invalid and risky addresses before you hit send.
Protect deliverability
Keep a healthy sender reputation by sending only to real mailboxes.
Catch disposable and catch-all
Flag temporary inboxes and catch-all domains that inflate your risk.
Built for scale
Verify single addresses or upload lists with millions of rows.