Ubuntu Servers :: Send Email From PHP Using Pear

I host a webpage from my PC, and I was having all kinds of issues trying to get it to send emails. These steps send and receive the email through a gmail account. This page saved me.

Here are the simple steps
0. get a gmail account
1. install pear
Code:
sudo apt-get install php-pear

2. Install pear packages:
(I'm not really sure what this does, but I did it, and everything is working)
Code:
sudo pear install -o Mail
sudo pear install -o Net_SMTP

3. run php script to send email.
Code:
<?php
// Include the Mail package
require "Mail.php";
// Identify the sender, recipient, mail subject, and body .....