Email Verification

Email Verification for Agencies

Agencies handle email campaigns, CRM data, and outreach efforts for multiple clients. Dirty lists lead to higher bounce rates, poor deliverability, and underperforming campaigns.

We Verify Client Lists Others Can’t

SMTP and Catch-All Verification
Validate subscriber, lead, and prospect emails that generic tools fail to confirm.
Real-Time Results, No Emails Sent
Clean lists instantly so client campaigns stay on schedule.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for industry-leading accuracy.
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Built for Scale
Ideal for agencies managing campaigns and data across dozens of clients.

Protect Every Client’s Deliverability

Your clients trust you to grow their revenue. Verified lists mean better inbox placement, higher engagement, and fewer complaints across accounts.

1B+

emails verified

99%

SMTP verification accuracy

99%

catch-all verification accuracy

Get Over 50% More Valid Contacts

Other verifiers throw away catch-all business domains that belong to high-value prospects. Listmint verifies them in real time so you can deliver more opportunities per campaign.
Scale Client Success with Clean Data
Proof of Results: 84% Valid vs 55% Industry Average
Most generic verifiers return just 55% valid contacts, limiting the impact of your campaigns. Listmint customers see up to 84% valid results, which drives better performance and happier clients.
Bulk Uploads and Seamless Exports
Upload client lists in bulk, clean them in minutes, and export results back into their CRMs or ESPs. This saves time and keeps campaigns running smoothly.
Support, Dashboards, and Reporting
Provide clear, shareable reports to prove ROI on data cleaning. Dashboards let you track verification results across all your client accounts.

Verify all your emails, even Catch-alls in real-time with our Email Verification Software.

Create an account for free.

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