Developer's DescriptionBy YL ComputingVerify and clean up your mailing lists.YL Mail Verifier is a powerful and easy-to-use solution for the email message delivery error. with this Mail Verifier, 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. it is the fastest e-mail verifier in the market today.