JamSession theme implements reCaptcha validation for both contact page templates and for the ajax contact form. By default, recaptcha validation is disabled. To enable it, you must enter recaptcha public and private key to JamSession settings. Please follow the next steps:
1. Go to Appearance -> JamSession Settings
2. Select the General Options tab
3. At the bottom, insert recaptcha public key and recaptcha private key. You can sign up for recaptcha keys by following this link.