When your visitor sends an email to the autoresponder or fills up a subscribe HTML form, the script will automatically send out a reply, add the sender to the mailing list and followup will begin at predetermined intervals. You can easily manage the mailing list entries using the mailing list manager. Features include: multiple autoresponders, multiple mailing lists, multiple domains, personalized followup messages, scheduled mailings, email duplication check, unlimited custom fields, multiple file attachments, powerful mySQL database (tested with 1 million subscribers), easy-to-use interface, no monthly fee, plus much more. Easy to setup perl cgi scripts available for free download.