How can I setup an Autoresponder Email

Can I create a form that automatically emails the details that the client has just filled in on the form? It's good to have an automatic copy of what has just been entered by the client that goes straight to their inbox as well as just 'Thanks for your submission'

What you're describing are called AUTORESPONDERS. You can setup one by following the detailed guide below.

Complete guide: Creating-a-Form-Autoresponder

Give that a spin and let us know if you'd need more help.