企业快信的作用是帮助企业解决企业内部、企业与外部沟通难、信息不能及时传播等问题。为此，企业快信系统需要提供有邮件*、短信接收等功能。-Express letter of the role is to help enterprises solve business enterprise, corporate and external communication is difficult, the information is not timely dissemination and other