Never Send to a Bad Email Again
Every bounced email damages your sender reputation. Cleanlist verifies emails with triple-layer validation before you hit send.
Bad Emails Cost More Than You Think
Every invalid email in your outreach damages deliverability for your entire domain.
Your Verification Workflow
Upload Your List
Import contacts via CSV, CRM sync, or API. Any format works.
Triple Verification
Each email passes syntax, DNS/MX, and SMTP handshake checks.
Risk Scoring
Emails scored as valid, risky, or invalid. Catch-all domains flagged.
Clean & Send
Remove invalids, segment by risk level, and send with confidence.
Built for Deliverability
SMTP Handshake Check
Verify the mailbox exists at the server level. Not just format validation.
Catch-All Detection
Identify domains that accept all emails. Flag for manual review or lower-volume testing.
Spam Trap Detection
Catch known spam trap addresses before they damage your sender score.
Disposable Email Filtering
Auto-remove temporary email addresses from signup forms and lead lists.
Deliverability Scoring
Each email gets a risk score so you can segment sends by confidence level.
Bulk & Real-Time
Verify thousands in batch or single emails via API in under 2 seconds.