Why do you not want to answer this thread?(Your answer will be sent to Jeanette and Aytekin)
Yes we have a widget that will help you to verify an email address, take a look on this link: https://widgets.jotform.com/app/e-mail_validator
This guide will help you to add a widget to your form: How-to-Add-a-Widget-to-your-Form
Hope this helps.