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Verify one single email address online

Type your email address and click "Ninja Verify":

Valid email address response:

Bad email address response:

Unverifiable email address response:

 

Verify multiple email addresses online

You can type or paste any content including the email addresses you want to verify:

MailTester Ninja will automatically extract all email addresses, will remove all duplicates, and will verify them.

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Powerful Email Checker and Finder

MailTester.ninja, Email Address Validator ​​allows you to verify the existence of an email account without sending an email. Most email providers from any country, including gmail.com, hotmail.com, qq.com are supported.

A small number of email providers have disabled the ability to check for existence and provide the same response whether the email exists or not. Therefore, there are three email validation results: (1) email account exists, (2) email account does not exist, and (3) email account is unverifiable, its status is unknown.

The Mickey Mouse Paradox: Many other tools will estimate the validity of unverifiable emails based on email permutation statistics. In many cases they will very often consider emails starting whith mickey.mouse@ as valid: firstname.lastname@. Would Mickey Mouse work for many companies?

• MailTester Ninja is one of the most efficient and accurate email verifier on the internet.
• Mailtester.Ninja is always free for any verifications up to 10 emails at once!
• We are offering a one month unlimited access key to anyone who can demonstrate that another tool gives better results.