Of course, that's high-quality. Even so, it is rather formal, for example with letters having to do with legal matters. Considerably less formal and a lot more common is "Expensive Sir or Madam:" (Take note the use of the colon; "To whom it may well issue:" also need to use https://law-firm-in-karachi26258.tinyblogging.com/examine-this-report-on-dha-lawyer-karachi-80350000