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TheChecker is a free email verification tool. Check if a mailbox really exists and get rid of email bounces.
Accurate, fast and affordable email verifier. 1,000's of professionals from 80+ countries rely on our bulk email verification and email list cleaning services. Reduce your cost per lead, avoid blockages, protect your sender reputation and increase your campaign’s ROI. - Bulk email verifier Use our web app to verify your current lists by simply uploading a TXT, CSV, XLS, or XLSX file. - Real-time validation Add real-time email verification to any website by just copying and pasting one line of code. It takes only a few seconds and requires no developer. - Email verification API Use our API to run bulk or single email verification straight on your web and mobile application or develop a white-label version of our email verification web app. - Accurate results Enjoy our 98% deliverability guarantee and get the best results. - Affordable prices We offer the most cost-effective service in the market. Try and see it! - Awesome support Even we have a simple UI, you can always count on us if you need help.