You may find once you have set up your contact form that you start receiving spam. You can easily fix this by heading over to your Stor Dashboard > Setting > Security Settings.
Here you can set up spam protection by getting your Google Site Key and Secret Key from your Google Account. This will set up a ReCaptcha form for anyone trying to get in contact with you.
For a step-by-step guide on how to retrieve your Site Key and Secret Key - please find it here.