package cn.ming.javamail;import java.util.Properties;import javax.mail.Message;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;public class Demo1 { public static void main(String[] args) throws Exception {//  创建邮件  Properties props=System.getProperties();//  设置SMTP主机  props.put("mail.smtp.host","smtp.sina.com");//  设置SMTP验证属性  props.put("mail.smtp.auth", "true");//  获得邮件会话对象  MyAuthenticator auth=new MyAuthenticator("ming_foryou","********");  Session session=Session.getInstance(props, auth);//getDefaultInstance每次共用，当要多次调用session且不同用getInstance  session.setDebug(true);//调试信息  //  创建MIME邮件对象  MimeMessage msg=new MimeMessage(session);//  设置发件人  msg.setFrom(new InternetAddress("ming_foryou@sina.com"));//  设置收件人  msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse("ming_foryou@sohu.com"));//  设置邮件主题  msg.setSubject("test");//  设置正文  msg.setText("How do you do?");  //  发送消息  //创建SMTP邮件发送对象  Transport transport=session.getTransport("smtp");//  获取与邮件服务器的连接  transport.connect((String)props.getProperty("mail.smtp.host"), "ming_foryou@sina.com", "********");//      通过服务器发送邮件  transport.sendMessage(msg,msg.getRecipients(Message.RecipientType.TO));//  关闭  transport.close(); }}