Post Master & Postal System

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Across
  1. 3. feeling of sadness and hopelessness
  2. 6. another term for post office
  3. 8. a person who has a official position
  4. 9. with a deep breath
Down
  1. 1. large insects that produce a loud buzzing
  2. 2. a man in charge of the post office
  3. 4. a code of letters and digits added to a postal address to aid in the sorting of mail
  4. 5. send by aircraft
  5. 6. a cancellation mark stamped on mail by postal officials; indicates the post office and date of mailing
  6. 7. impossible to understand