Support teams rely on email to respond to tickets, send updates, and follow up with customers. Invalid or outdated email addresses lead to unresolved issues, frustrated customers, and wasted time.
Validate customer, partner, and internal contact emails with unmatched accuracy.
Real-Time Results, No Emails Sent
Get verified results instantly without delaying ticket responses.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis to keep support data reliable.
Built for Scale
Ideal for teams processing thousands of tickets and automated responses daily.
Close Tickets Without the Bounce
Support SLAs depend on reliable communication. Verified lists help ensure status updates, resolution emails, and follow-ups reach the inbox every time.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Valid Customer Contacts
Most verification tools reject catch-all domains used by business customers. Listmint verifies them in real time, allowing you to resolve more cases and keep satisfaction scores high.
Proof of Results: 84% Valid vs 55% Industry Average
Most verifiers return just 55% valid results, leaving many support tickets unresolved. Listmint customers see up to 84% valid results, which means more successful resolutions and happier customers.
Bulk Uploads and Seamless Exports
Clean entire support contact databases before sending follow-ups or satisfaction surveys. Export results back into Zendesk, Freshdesk, or your helpdesk tool with one click.
Avoid Bounces and Protect Metrics
High bounce rates can drag down CSAT and NPS scores. Listmint keeps bounce rates under 1%, ensuring your support KPIs reflect real customer experiences.