Change Email w/o notification

function change_user_email_without_confirmation($user_id, $new_email) {
	// Sanitize user ID and new email
	$user_id = intval($user_id);
	$new_email = sanitize_email($new_email);

	// Make sure it's a valid email address
	if (!is_email($new_email)) {
		return new WP_Error('invalid_email', __('Invalid email address.'));
	}

	// Get the user data
	$user = get_userdata($user_id);
	if (!$user) {
		return new WP_Error('invalid_user', __('Invalid user ID.'));
	}

	// Directly update the user email in the database without triggering a confirmation email
	global $wpdb;
	$wpdb->update(
		$wpdb->users,
		array('user_email' => $new_email),
		array('ID' => $user_id)
	);

	// Clear the user cache
	clean_user_cache($user_id);

	// Optionally, you can add additional actions here, like logging the change or notifying an admin

	return true;
}

$user_id = 5; // create service provider email for the forms
$new_email = 'noreply@example.com'; 
$result = change_user_email_without_confirmation($user_id, $new_email);

if (is_wp_error($result)) {
	echo 'Fehler: ' . $result->get_error_message();
} else {
	echo 'Adresse bereit.';
}