Stop the bounce.
Protect your sender score.
Enterprise-grade email verification that goes beyond basic syntax. We probe the deep infrastructure of every mailbox to ensure maximum deliverability.
The 30-step verification engine.
Every email is put through a rigorous technical check, from MX records to deep SMTP handshaking.
Real-time SMTP Probing
We perform a live handshake with the recipient server to confirm the mailbox exists, all without sending a single email.
Bulk List Cleaning
Upload millions of records via CSV. We process thousands of emails per minute with 99% accuracy.
Catch-all Detection
Identify servers configured to accept all mail. We flag these risky addresses so you can decide how to handle them.
Disposable Mail Filter
Automatically block temporary and burner emails from polluting your database.
MX Record Validation
We analyze DNS records to verify mail server health before ever attempting a connection.
Spam Trap Shield
We cross-reference known honeypots and blacklisted domains to keep your sender reputation pristine.
The difference between guessing and knowing.
Standard tools stop at checking if a domain exists. We initiate a secure handshake with the mail server to verify the exact mailbox is active and ready.
We run every request in real-time. This bypasses stale databases and catches strict firewalls that other tools completely miss.
CONNECT mx.google.com ...
OK 220 Service Ready
HELO leadpure.co
MAIL FROM: <contact@leadpure.co>
STATUS 250 OK: Recipient found
Protect your sender reputation.
Email deliverability isn't just about valid addresses. It's about staying off blacklists and avoiding spam traps.
Avoid Spam Traps.
Hitting a single honeypot can flag your IP as a spammer. We strip out known spam traps before they ever reach your sending queue.
Protect ESP Standing.
High bounce rates get your account suspended on platforms like SendGrid, Mailchimp, or AWS SES. We act as your first line of defense to keep your accounts in good standing.
Ready to clean your email lists?
Join thousands of marketers and developers using LeadPure to maintain
high deliverability and discover new leads with 99% accuracy.
