This plugin allows you to add a contact form from any page in your website and has an option to use recaptcha anti-spam, just a note, this plugin does not modify your wordpress install, no options or tables are created. See http://anthony.strangebutfunny.net/my-plugins/easiest-newsletter/ for help
Dieses Plugin steht zum Download zur Verfügung, um in deiner selbst gehosteten WordPress-Installation verwendet zu werden.