If you're using Google Apps for your email you may want to send email through a Google Apps account from your website. This is a process I've found to be poorly documented (the documentation can be difficult to find) and there are several examples of different implementations, some of which work and some do not. You need to make sure you're using the correct outbound server, the correct port, and setting up the authentication credentials properly. Here I'm going to show you how to make it work. More...