Etnu Verify

The most accurate & secure email checker

Sending emails is not enough. You need to have them delivered. Improve your deliverability and email marketing campaign ROI with the most reliable and affordable email checker.
No credit card required.
Free credits included.
EtnuFinder is used by 300,000+ professionals and chosen by leading companies.

Bulk Email Checker

Clean your lists with ease

Use our bulk email verifier to improve deliverability and campaign performance in no time.

List Cleaning Automation

Automate your email verification

Put your list cleaning on autopilot and let Monitor do the work for you. Your lists will be automatically synced and reverified every single day.

Real-Time Email Checker

Verify emails at the point of capture

Add our real-time email checker to your current HTML forms by just copying and pasting a few lines of code. No custom coding needed.

List Cleaning Automation

Ensure your emails hit the inbox

Monitor key metrics that are preventing you from reaching the inbox and learn how to improve them.

A Rock Solid Email Checker

Engineered for Reliability

Our battle-tested verification algorithm is used by customers in over 170 countries around the world. Powered by a globally distributed infrastructure.

Private by Design

Our storage servers are located in ISO 27001 and SOC 2 certified data centers, and all information transmitted is protected using 256-bit TLS encryption.

24/7 Support

Our dedicated customer support team is ready to help you at any time, and get questions answered quickly, effectively backed by a 99.99% uptime SLA guarantee.

See why thousands of the world's largest companies trust Etnu for email deliverability.