eMail Verifier - eMail Verifier is a very effective piece of software that can verify over 10 e-mails per second . It can verify single e-mails or huge lists. (eMail Verifier is multithreaded, providing high speed verifying). eMail Verifier can save time and money for businesses that send newsletters to their clients, nonprofit organizations who send bulletins to their members, or any person or business that needs to maintain a clean e-mail contact list.