sentences:  The earliest known letter from Malta is dated 14 June 1532, and it was sent by Grand Master Philippe Villiers de L'Isle-Adam to , the Bishop of Auxerre who was also the French ambassador in Rome.After the plague epidemic of 1675–1676, mail began to be disinfected at the "Barriera" in Valletta since at the time it was believed that paper could carry the disease.In 1708, Grand Master Ramón Perellós established the Commissary of Posts, which was Malta's first proper postal service.