WordPress: Configure Captcha for Contact Form 7 Wordpress plugin

By far, Contact Form 7 could be the most popular contact plugin for WordPress platform. If we check the plugin's page, there are lot installs and really positive reviews. If you are looking for a contact form plugin, get Contact Form 7. I am also using the same for all websites done for clients on WordPress platform.  Contact Form 7 can manage multiple contact forms, plus you can