Hi @kamalpandey007
I hope you are doing well.
Yes I want to verify the email, the user is using for singing up for newsletter. I am not using registration for user right now.
By default, Forminator won’t send the newsletter, so it depends on the integration that you are using, so let’s say you are using Mailchimp integration, you will see the option when connecting the Mailchimp to your form “use Double Opt-in” https://wpmudev.com/docs/wpmu-dev-plugins/forminator/#mailchimp, but it also depends on how other integrations work, you can find full guides here: https://wpmudev.com/docs/wpmu-dev-plugins/forminator/#integrations
One more thing I need to know. How can I add Unsubscribe to the website option in e-mail notification if someone wants to opt out from receiving notifications after sometime.
Similar to the previous information, it depends on integration, an example for MailChimp: https://mailchimp.com/help/the-unsubscribe-merge-tag/
Best Regards
Patrick Freitas