"Live Email Verifier is a powerful email validation application to verify your contacts and keep your mailing lists clean. This utility cleans up your mailing lists, Windows Address Book, Microsoft Outlook Contacts, and external databases.
Email Verifier checks all email addresses from a mailing list, text file, Excel, selected database, and removes all invalid email addresses.
It is important to keep your mailing lists clean. List hygiene will help you avoid sending out newsletters to invalid addresses. Otherwise you'll get tons of bounced messages. It's not a secret that ISP mail servers block a sender's IP for recurring sending to invalid email addresses...!"