纵观世界邮政的发展轨迹，信函永远是邮政发展的支柱。面对严峻的挑战，有必要对新世纪函件业务的发展方向及经营策略做更深入的探讨。 一、新世纪函件业务的市场定位 商业信函要以大客户为龙头，以科技开发企业、出版社、报社、学校以及新产品生产企业和个体工商户为目标客户 Looking at the world postal development track, the letter will always be the pillar of postal development. Facing the severe challenges, it is necessary to make a more in-depth discussion on the development direction and business strategies of the mail business in the new century. I. Market Orientation of Correspondence Business in the New Century Commercial letters should aim at large customers as their target customers, and target technology development enterprises, publishing houses, newspapers, schools, new product manufacturing enterprises and individual industrial and commercial households