Your open rate is the first sign that your campaigns are working, but if a large portion of your list is invalid or risky, fewer emails land in inboxes and fewer people even see your message.
Validate every contact, including catch-all domains that often contain key prospects.
Real-Time Results, No Emails Sent
Clean lists instantly so your next campaign has maximum reach.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for unmatched accuracy.
Built for Scale
Perfect for marketers managing large subscriber lists or high-volume campaigns.
Boost Engagement From the Very First Touc
Clean lists mean better inbox placement, more visibility, and ultimately more opens and clicks.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Emails Opened
Generic verifiers discard catch-all domains, preventing messages from reaching a significant portion of your audience. Listmint verifies them in real time so you can increase reach and boost open rates.
Proof of Results: 84% Valid vs 55% Industry Average
Most verifiers confirm only about 55% of your list, which keeps open rates artificially low. Listmint customers see up to 84% valid results, leading to higher inbox placement and engagement.
Avoid Bounces and Protect Deliverability
Better deliverability means more emails make it to the inbox, giving you more chances to earn opens and clicks.
Bulk Uploads and Seamless Exports
Easily clean entire campaign lists or subscriber databases, then export results into your ESP or CRM in minutes.