Prestashop Check Email domain for Typos

 public static function isEmail($email)
    {


            $parsed=explode("@",$email);

            if(count($parsed)<2){


                return false;
            }
            else{


                $domain=$parsed[1];

                if(checkdnsrr($domain)) {
                    // Domain at least has an MX record, necessary to receive email
                }
                else{
                    return false;
                }
            }

        return !empty($email) && preg_match(Tools::cleanNonUnicodeSupport('/^[a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]+[.a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]*@[a-z\p{L}0-9]+(?:[.]?[_a-z\p{L}0-9-])*\.[a-z\p{L}0-9]+$/ui'), $email);
    }