<div align="Center"> <p><b>Lesson Plan Title:</b> How to Exploit Unchecked Email </p> </div> <p><b>Concept / Topic To Teach:</b> </p> <!-- Start Instructions --> It is always a good practice to validate all inputs. Most sites allow non-authenticated users to send email to a 'friend'. This is a great mechanism for spammers to send out email using your corporate mail server. <!-- Stop Instructions --> <p><b>General Goal(s):</b> </p> The user should be able to send and obnoxious email message.