Email Verification

Email Verification for Improving Domain Warm-Up Success

When warming up a new sending domain, every email matters. High bounce rates or bad data early on can permanently harm your sender reputation and slow your ramp-up progress.

We Verify Warm-Up Lists Others Can’t

SMTP and Catch-All Verification
Confirm every contact is valid before including them in your warm-up sends.
Real-Time Results, No Emails Sent
Clean lists instantly so your first campaigns protect your reputation.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for maximum accuracy during warm-up.
Pricing Icon
Built for Scale
Perfect for teams warming up new domains or IPs for sales, marketing, or transactional email.

Warm Up Safely and Build Trust

Clean lists keep bounce rates low and engagement high, which are the exact signals internet service providers (ISPs) look for when evaluating a new domain.

1B+

emails verified

99%

SMTP verification accuracy

99%

catch-all verification accuracy

Get Over 50% More Deliverability During Ramp-Up

Generic verifiers discard catch-all domains, shrinking your list and slowing your warm-up. Listmint verifies them in real time so you can hit your sending thresholds sooner.
Accelerate Domain Reputation Growth
Proof of Results: 84% Valid vs 55% Industry Average
Generic verification tools confirm only about 55% of contacts, causing risky bounces during warm-up. Listmint customers see up to 84% valid results, which helps domains reach a trusted status faster.
Avoid Bounces and Protect Reputation
Keeping bounces under 1% is crucial during domain warm-up. Listmint ensures your sends stay clean and your reputation grows steadily.
Support, Dashboards, and Reporting
Track warm-up progress and show how clean data improves inbox placement and speeds ramp-up timelines.

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

Create an account for free.

More Resources