E-mail address verification

E-mail address

Welcome to MailTester.com

What is it?

Here you can enter an e-mail address to verify if it exists of if there are problems with it.
A series of checks will be performed on the e-mail address but no actual e-mail is sent.

How does it work?

Just enter the e-mail address and wait for the test results to appear.
There you will see the results of the different checks that are performed: Please see the frequently asked questions for more information.

Who uses this site?

Volume/batch checking and abuse

Note that the online check on this website is intended for individual checks.
Large volume checks in batch are not allowed and will be blocked automatically.
For checking of a large volume of e-mail addresses please see the batch checking application (currently only for Windows).

Is there an API for developers?

No, unfortunately there is no API (Application Programming Interface) at this time. Work is underway on a server version that will also have an API, but no release date is known at this time.

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