54521 Send scheduled emails

Hi, I need the following: A form on my site where people can enter their name and email address. When the visitors clicks submit, they are sent an email and then automatically sent one more email per day for the next 4 days. So that over 5 days they will recieve 5 different emails, one per day. I have each of the 5 email messages already written, in html format. I'd also like to make sure that we store the name/address of everyone in a database (or text file if you prefer) and have the ability to send email "newsletters" to everyone at a later date, so a simple newsletter management system should also be included in your bid. The site is currently hosted on a windows server, although moving it over to a Linux server with Cron would be no problem if that will help! I have no preference what language you use, so if you would rather use something other than PHP thats fine.