YL Mail Verifier is a powerful and easy-to-use solution for the ’email message delivery error’. with this E-mail Validator, you can easily check every email address from a mailing list and determine if the email addresses are still valid. it does three levels of verification: Syntax, DNS and SMTP. YL Mail Verifier is designed for system administrators, webmasters, programmers as well as for everyone who has his own mailing lists and needs to keep the lists up-to-date. Features

• Check for e-mail addresses at three verification levels: Syntax, DNS and SMTP
• Load large mailing lists for verification in seconds
• Quickly verify large amounts of e-mail addresses
• Import e-mail addresses from any format of mail list files
• Support multi-threads processing, custom the number of verifying threads
• Custom the DNS timeout and SMTP timeout
• Comprehensive verifying report for every email address Free trial for Windows