MailTester Ninja
The email checker that stores nothing
MailTester Ninja is an email verification and email finder tool that checks whether an address is valid and deliverable, helps locate contact addresses for outreach, and supports list hygiene and GDPR compliance. The company states that verified emails are never stored on its servers.
The platform includes an Email Verifier, Email Finder, and Email Checker API, along with free tools such as an Audit Report, Sender Score, and Blocklist Checker. Verification covers syntax, domain, and deliverability checks, returning a confidence score and recommendations, with anti-spam detection and analytics reports. A RESTful API allows integration into other applications.
MailTester Ninja is developed by London-based Unlimited & Limited and is aimed at businesses of varying sizes that manage email campaigns and outreach. Packaging details such as free plans, trials, or seat-based and usage-based editions are not specified on these pages.
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