JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Yes, that is possible. In the integration, you have the option to send an Opt-in Email and Welcome Email:
These emails are using your default MailChimp's email settings so if you need to customize them, you have to access your MC account and modify it here. The following MailChimp articles would help you configure the Forms and Response Emails:
Let us know if you need more help regarding this integration.