Download Atomic Mail Verifier
Atomic Mail Verifier is a program capable to check if the addresses you keep in a contact list are still valid or their domains are still online. It can verify lists of any size and in matter of seconds. It allows you to configure its settings to enable the program to analyze such lists in a more deep and focused way or to do it faster by just checking the syntax of the email addresses. In addition to that, it can let you chose the way you want to receive your message in your inbox tray, download files from its server and keep a record of old messages received.