The tool automates the validation of millions of credentials by targeting specific email protocols. Target Protocols : It focuses on IMAP and POP3

This tool is for educational purposes and authorized testing only . Checking email addresses without the owner’s consent may violate privacy laws, terms of service, and computer misuse acts. Always obtain written permission before scanning external domains.

Hackus Mail Checker is a solid choice for basic email validation, but always:

Create a file called emails.txt with one email per line:

If you have a high-quality proxy, you can set this between 50–200. If you are using a home connection, keep it below 20.