Landing in the inbox once is good, but staying there consistently is what drives long-term campaign success. Invalid emails, bounce spikes, and poor list hygiene cause ISPs to throttle or divert messages to spam over time.
Validate every address to reduce bounce rates and improve sender reputation.
Real-Time Results, No Emails Sent
Clean lists instantly so your next send doesn’t risk deliverability issues.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis to protect inbox placement.
Built for Scale
Perfect for senders running frequent newsletters, nurture campaigns, and automated flows.
Maintain Inbox Placement Over Time
Strong deliverability is an ongoing process. Verified lists keep your domain reputation stable, campaign after campaign.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Consistent Inbox Placement
Generic verifiers discard catch-all domains and leave risky data that degrades reputation. Listmint verifies them in real time so you can keep inbox placement consistent over the long term.
Proof of Results: 84% Valid vs 55% Industry Average
Generic verification tools confirm only 55% of contacts, leading to fluctuating deliverability. Listmint customers see up to 84% valid results, resulting in steadier inbox placement and campaign performance.
Avoid Bounces and Protect Reputation
Bounce spikes are one of the main causes of inbox inconsistency. Listmint keeps bounce rates under 1%, protecting sender reputation.
Support, Dashboards, and Reporting
Monitor inbox placement trends over time and prove the ROI of list cleaning to your team.