| 2. | Firstly the paper introduces mua , then talks about internet email system , next introduces technical implementing of cross - platform mua , including development tools , writing cross - platform program , object - oriented design , object - oriented program , gui design and implement , configuration file formats , mailbox formats , implement function , analyzing technical difficulty and key technology , advanced characteristic
本文首先介绍了mua ，然后介绍了internetemail系统，接着介绍了跨平台mua的技术实现，包括开发环境、编写跨平台代码、面向对象编程、 gui的设计及实现、配置文件的格式、邮箱的格式、实现的功能、技术难点和关键技术分析，先进性。 |
