It is mandatory in the Netherlands (and EU, I believe) that customers fill in a check box in which it states that they want to opt-in to future e-mails. Without this, legally I won’t be able to use this amazing feature!
Folks, our former Wishlist portal, where our users shared their requests and suggestions, was transferred to this forum. You’re most welcome to vote, add new ideas, and leave your comments here — we surely will consider them all! 
Original Votes: 3
Hello there,
Thank you for sharing this idea!
If you come up with any thoughts regarding this functionality, you are most welcome to leave your comments here, we will be happy to consider them.
Thank you very much!
Dear friends,
We’re happy to announce that Checkbox option is now available! 
This is where you can find it:
- Go to the Build Form tab
- Click on Add Field and choose Consent or Choice option
Test the new feature out in our Subscription Form online demo (Newsletter Subscription widget | Collect emails with a simple form [2022]) !
And feel free to share your thoughts and feedback in the comments below 