Protect Elementor Forms

/**

 * Protect Elementor Forms

 */

add_action( 'elementor_pro/forms/validation/email', function( $field, $record, $ajax_handler ) {

	// validate email format

	if ( ! is_email( $field['value'] ) ) {

		$ajax_handler->add_error( $field['id'], 'Invalid Email address, it must be in the format [email protected]' );

		return;

	}

	$black_list_domains = [

		'fundingtree.xyz',

		'outlook.com',

		'sundatagroup.com',

		'order-fulfillment.net',

		'sundatagroup.one',

		'ywq.malsers.com',

		'bestlocaldata.com',

		'backlinkpro.club',

		'techknowspace.com',

		'lifemailnow.com',

		'fastworkingcapital.xyz',

		'talkwithweb.com',		

	];

	$email_domain = explode( '@', $field['value'] )[1];

	if ( in_array( $email_domain, $black_list_domains ) ) {

		$ajax_handler->add_error( $field['id'], 'Invalid Email address, emails from the domain ' . $email_domain . ' are not allowed.' );

		return;

	}

}, 10, 3 );