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How can I set opt-in confirmation to mail form?Asked by Ice on March 30, 2015 at 10:19 PM
I am not sure if I have understood your question correctly. I would suggest you to explain your requirement a bit more in detail and we will surely help you.
Have you checked our MailChimp integration already? Please take a look at the MailChimp integration and see if this is what you want to achieve. The following guide should help you: http://www.jotform.com/help/163-How-to-Integrate-with-MailChimp