MailList King enables you to use your favorite e-mail client software (Microsoft Outlook, Outlook Express, Eudora, etc.) as a mailing list server, that can send your mailing list messages and automatically handle subscribe and unsubscribe requests. The program offers a variety of advanced options that allow you to customize all actions. You can send automatic acknowledgments, maintain multiple email lists, automatically process delivery failures, extract data from web form submissions and more. In addition to standard subscription lists, you can also run a user moderated email list, that automatically forwards messages from authorized users to the group. MailList King can send your email via MAPI, SMTP, OLE or CDO. Additional features include support for signatures, email validation, blocked emails, automatic email changes, import/export and more. A well featured packaged that turns your ordinary email program into a full featured list server.