
HTML forms are the essential needs of almost any website viz. contact us form. A contact us form is very useful as it aids your visitors to communicate easily in a simple way. A simple form, without a captcha on it are the chief look-outs of hackers and spammers. It is essential to secure your form against all 'holes' that those hackers are searching for.
How does the spammers/hackers exploit HTML forms?
1) As a relay ...