You can add the feature to check whether a user email is fake or true. Using fluentform_validate_input_item_input_email & truemail API. You will need a true mail API key for this. Here is an example of the code:
add_filter('fluentform_validate_input_item_input_email', function ($default, $field, $formData, $fields, $form) { // You may change the following 3 lines $targetFormId = 12; $errorMessage = 'Looks like email is not correct'; // You may change here $trueMailApiKey = 'INSERT_YOUR_TRUEMAIL.IO_API_KEY'; if ($form->id != $targetFormId) { return $default; } $fieldName = $field['name']; if (empty($formData[$fieldName])) { return $default; } $email = $formData[$fieldName]; $request = wp_remote_get('https://truemail.io/api/v1/verify/single? address_info=1&timeout=5&access_token='.$trueMailApiKey.'&email='.$email); if(is_wp_error($request)) { return $default; // request failed so we are skipping validation } $response = wp_remote_retrieve_body($request); $response = json_decode($response, true); if($response['result'] == 'valid') { return $default; } return $errorMessage; }, 10, 5);
For details of the hook fluentform_validate_input_item_input_email check this documentation link.
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