For Email list in BSK Gravity Forms Blacklist and Custom Validation it has two actions: allow or block.
Under the below form it has applied email list with allow action to Email field and only the following emails allow to submit.
james.smith@gmail.com
michael.smith@hotmail.com
robert.smith@gmail.com
maria.garcia@hotmail.com
david.smith@gmail.com
maria.rodriguez@hotmail.com
mary.smith@bannersky.com
maria.martinez@bannersky.com
james.johnson@hotmail.com
william.smith@bannersky.com
robert.johnson@hotmail.com
john.smith@hotmail.com
Under the below form it has applied email list with allow action to Email field and only the following emails allow to submit.
The email list has two domain: *@abc.com and *@hotmail.com so any email address in that two domains will be blocked.
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