Email Verification

Email Verification for SaaS Companies

For SaaS companies, email is everything, from onboarding flows and trial reminders to renewal campaigns and feature announcements. Invalid or risky emails mean lost activations, poor engagement, and wasted ad spend.

We Verify SaaS User Emails Others Can’t

SMTP and Catch-All Verification
Resolve tricky corporate domains, temporary addresses, and custom work emails.
Real-Time Results, No Emails Sent
Verify immediately without delaying user onboarding.
7-Step Verification Process
SMTP, DNS, MX, pattern analysis, role-based filtering, and more for industry-leading accuracy.
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Built for Scale
Perfect for SaaS companies with thousands of signups per day and global user bases.

Make Every Signup Count

Your SaaS growth depends on reaching new users. Get your onboarding sequences, product updates, and renewal emails into the inbox every time.

1B+

emails verified

99%

SMTP verification accuracy

99%

catch-all verification accuracy

Get Over 50% More Valid Users

Most verification tools discard catch-all corporate domains used by your best leads. Listmint verifies them in real time, letting you activate and engage more users from the same acquisition budget.
Features Built for SaaS Growth
Real-Time API for Signups
Connect Listmint’s API directly to your signup flow to prevent fake or disposable emails from entering your user database. This ensures clean data from day one.
Bulk Uploads and CRM Sync
Upload inactive users, re-engagement lists, or churned accounts and clean them before running campaigns. Sync clean data back to HubSpot, Intercom, or your lifecycle tools.
Actionable Reporting and Insights
Use detailed verification reports to segment high-quality leads from risky ones. Focus your marketing spend on real users and increase your activation rates.

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

Create an account for free.

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