Early-stage founders often rely on cold email to book their first meetings, find investors, and close their first customers. But bad data can burn your domain reputation before you even start scaling.
Validate corporate decision-maker and investor emails that generic tools mark as “unknown.”
Real-Time Results, No Emails Sent
Clean lists instantly so founders can start sending campaigns without delay.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for the highest accuracy.
Built for Scale
Perfect for solo founders and small teams doing hands-on outreach.
Protect Your Domain From Day One
One bad list can get your domain flagged before you even build traction. Verified data means safer sends, better replies, and a clean sender reputation as you scale.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Valid Prospects
Most verification tools throw away catch-all corporate domains where your early adopters and investors work. Listmint verifies them in real time so you can safely reach more prospects and investors.
Proof of Results: 84% Valid vs 55% Industry Average
Generic verifiers only confirm about 55% of leads, leaving valuable contacts behind. Listmint customers see up to 84% valid results, giving founders more opportunities per campaign and more pipeline per dollar spent.
Bulk Uploads and Simple Exports
Upload prospect lists from LinkedIn, scraping tools, or spreadsheets and clean them in minutes. Export back into Gmail, Apollo, or your CRM to start outreach quickly.
Avoid Bounces and Stay Out of Spam
Bounce spikes can get a new domain flagged permanently. Listmint keeps bounce rates under 1%, protecting your deliverability and inbox placement.
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