用JAVA编写的简单SMTP发送电子邮件，直接以本地作为SMTP服务器进行发送，对象-JAVA prepared using simple SMTP e-mail directly to the local as the SMTP server to send, Object

计算机网络socket编程，用Java程序发送邮件，已验证可行性，这个版本是不需要身份验证的。-The computer network socket programming, use Java program send mail, verified the feasibility, this version is not to need to identity authentication.