Actual Contacts for Outlook is a Microsoft Outlook add-in for validating and updating your address book. Select contacts and ACO will send them a message containing a form. E-mail addresses in your Outlook can be verified with just a few mouse clicks
AMV determines which of addresses in mailing list are dead. The program supports databases (ODBC SQL), TheBat, Eudora and Windows address books, Socks5 proxy protocol. Has open ActiveX/COM and CGI/ISAPI interfaces for developers.