Hy Email List Carrier - From the developer: "Hy Email List Carrier is an ideal opt-in web-based email marketing solution utility for you to send both text and html(graphics)newsletters , product anouncements ,or personal information messages to your clients or friends with multi-thread. Hy Email List Carrier enable you to use database to manage you email lists and accounts simply but quite efficiently . This program can automatically deal with subscribe and remove (unsubscribe)requests, it can get head information from pop3 server, this function help you to filter email viruses, prevent relay abuse,and so on."