Manage, send & track your email newsletter with YMLP's easy-to-use email newsletter software.
PHP Your Mailing List Provider is a (wrapper)class to communicate with Your Mailing List Provider.
PHP Dropbox is BSD licensed.
The class is well documented inline. If you use a decent IDE you'll see that each method is documented with PHPDoc. More documentation can be found on http://classes.verkoyen.eu/yourmailinglistprovider/docs.