Limitless Follow Up Autoresponder is a multi-platform compatible super easy to install CGI script that allows you to send unlimited followup emails with file attachments automatically from your website. Make as many sequential letters as you need and send them at the intervals you specify. One-click unsubscribe link. Works without CRON jobs (which are not allowed on many servers). Over 20 additional incredible features makes this the most coveted online marketing software of it's kind on the market today!