Your software
My Mautic version is: 4.4.10
My PHP version is: 8.0
My Database type and version is: MariaDB
Your problem
Is there some way to make the form to check if the submitter email already exists in the submissions? so I prevent the form to be used by the same person or at least the same email.
I have developed a solution to avoid these type of duplications.
I explained these solution in details in last year’s mauticon - not sure if this video is still available. but you can see the step by step installation instructions on the repository description, or in here: