Content marketers rely on email to promote blog posts, send newsletters, and nurture leads through campaigns. Invalid or fake email addresses waste your budget, lower open rates, and skew engagement metrics.
Validate newsletter subscribers, gated content leads, and webinar registrants that generic tools flag as “unknown.”
Real-Time Results, No Emails Sent
Verify lists instantly without delaying campaigns or nurture flows.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for industry-leading accuracy.
Built for Scale
Perfect for content teams managing large email lists and multiple nurture campaigns.
Maximize Engagement With Clean Lists
Every blog post, guide, or whitepaper you promote relies on inbox placement. Verified lists improve deliverability and make your content more effective.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Valid Leads
Other verifiers discard catch-all domains that belong to your highest-value B2B leads. Listmint verifies them in real time, helping you grow your audience and drive more pipeline.
Proof of Results: 84% Valid vs 55% Industry Average
Generic verifiers confirm only about 55% of contacts on content marketing lists, leaving half your audience behind. Listmint customers see up to 84% valid results, which boosts open and click rates on every send.
Real-Time API for Gated Content Forms
Verify emails the moment a lead downloads an ebook or whitepaper. This keeps bad data out of your marketing automation workflows and sales handoffs.
Support, Dashboards, and Reporting
Track verification results and list health to measure the impact on engagement rates. Our support team helps you keep lists clean across campaigns and quarters.
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