PHP FormMail Generator is licensed under the GPL license.
Free to use for those who are 100% GPL
If your application is licensed under GPL, you are free and welcome to ship this program with your application. By "application", I mean any type of software application, system, tool or utility.
Commercial use for everyone else
If your application is not licensed under GPL, such as you build a web site for your client and the web site is non Open Source, you must first purchase this program.
It's only $15 USD per domain name.
Click the "PayPal" icon to buy.