"AWT Subscribe!" lets users sign up on your website to be on your mailing list. You can use this for information for site updates, newsletters, announcements, etc. "AWT Subscribe!" lets you send HTML e-mail or text based e-mails. It allows you to create multiple mailing list for different purposes. Every email sent by the program can contain an "unsubscribe" link so that users can easily get off your list. Or, you can delete them yourself with the Admin interface. "AWT Subscribe!" can also continue mailing from last checkpoint. It´s very useful for large mailing list, if you server has limited execution script time.