E-mailing in PHP

This tutorial will show you how to send email in PHP. Firstly it'll go over the basics of how the Simple Mail Transfer Protocol (SMTP) works, then how to send email using PHP. After that it will show you how to send HTML emails in PHP (instead of just plain text emails). Finally, it will introduce you to an email class from the PEAR repository which will make your life much easier for sending emails, and allow greater functionality such as including attachments in your email.