用C#編寫，透過POP3協定向指定的郵件伺服器收取郵件，對於想學POP3協定及想寫收取郵件功能者，具參考及教學價值-With C# Written agreement through POP3 mail server to the designated collection of mail, for I wanted to learn to write agreements and to collect POP3 e-mail function, a reference and teaching