I'm creating an app where someone can send an email from a form. I need to make the email processing page as simple as possible. However, there are many email programs to use and many hosts are different as to which they offer. Does anyone have any advice on how to set up one file that all the other files will read that will have all the information needed to set up the sendmail page in reference to which email program they use on their server? Do most hosts use CDONTS or JMail or something else?