U
Unpaper Email Verifier
Clean lists before you send
Choose a CSV file
All original columns will be preserved. Large jobs continue even after you close this page.
One per line, or separated by commas.
MailProbe will email you when the complete result is ready.
0Total
0Confirmed valid
0Likely viable
0Caution / review
0Invalid
0SMTP unknown
Results
The SMTP verdict is preserved. For catch-all, deferred and protected business addresses, the separate assessment uses public website evidence to support a sending decision without claiming that the mailbox was confirmed.
| SMTP verdict | Sendability assessment | Confidence | Website | Exact email found | Pattern found | Reason | Evidence | Provider | SMTP | Catch-all |
|---|
Verification history
Open, download, or delete an earlier run.
Usage and system
Private MailProbe administration.
0Runs
0Emails checked
0Valid
0Risky
0Invalid
0Unknown
Version — · Status — · Database —
Run limit
Maximum emails allowed in one verification run.
Database backup
Download a consistent SQLite backup containing settings, history, and results.
Security
Changing the password signs this browser out.
Danger zone
Permanently delete every verification run and result. Download a backup first.