how do I link my jotform to wordpress

I'm not sure if I understand your query correctly. Do you mean to send email notifications when your form is submitted? If so, please refer to the guides below that can help you in setting email notifications and auto-responders.

http://www.jotform.com/help/25-Setting-Up-Email-Notifications 

http://www.jotform.com/help/26-Creating-a-Form-Autoresponder

If you are referring to something different, please let me know. We will be happy to help.