利用邮件实现程序自动升级。网上看到很多利用空间完成程序自动升级的例程，但是这些有一个毛病——上传更新程序比较复杂，至少要3-4道程序，稍有不慎还会搞错，导致客户端更新后发生错误。利用邮件上传更新程序就很简单了，鼠标点几下就搞定。-The use of e-mail program automatically upgrade to achieve. Upload updates occur more complicated, at least 3-4 road program, the slightest mistake will be wrong, cause the client updated- use the Internet to see a lot of space to complete the program automatically upgrade routines, but these have a fault error. Use e-mail to upload update is very simple, a few clicks of the mouse to get.