//对用户名和密码进行base64编码

 @Test

 public void base64(){

  String name = "wj_leaf12345";

  String pwd = "1qaz2wsx";

  BASE64Encoder en = new BASE64Encoder();

  name = en.encode(name.getBytes());

  pwd = en.encode(pwd.getBytes());

  System.err.println(name);

  System.err.println(pwd);

 }

public void sendMail() throws Exception{

  //第一步：声明properties对象放信息

  Properties prop = new Properties();

  //设置连接哪一台服务器

  prop.setProperty("mail.host","smtp.126.com");

  //设置是否验证

  prop.setProperty("mail.smtp.auth", "true");

  //第二步：声明用户名和密码

  Authenticator auth = new Authenticator() {

   //此访求返回用户和密码的对象

   public PasswordAuthentication getPasswordAuthentication() {

    PasswordAuthentication pa =

      new PasswordAuthentication("aaa", "sss");

    return pa;

   }

  };

  ////第二步：获取Session对象

  Session session =

    Session.getDefaultInstance(prop,auth);

  //设置session的调试模式

  session.setDebug(true);

  //第三步：声明信息

  MimeMessage mm1 =

    new MimeMessage(session);

  

  //第四步：设置发件人email

  Address from = new InternetAddress("wj@126.com");

  mm1.setFrom(from);

  //第五步：设置收件人

  mm1.setRecipient(RecipientType.TO,new InternetAddress("wj@163.com"));

  mm1.setRecipient(RecipientType.CC, new InternetAddress("554@qq.com"));

  mm1.setRecipient(RecipientType.BCC, new InternetAddress("wj@ss.cn"));

  //第六步：设置主题

  mm1.setSubject("这是用Java发的邮件3");

  mm1.setContent("你好，这是用java发的邮件,3333再试一下", "text/plain;charset=UTF-8");

  //第七步：

  Transport.send(mm1);

 }

 

mm1.setSubject("这是用Java发的邮件sfasdf3");

  mm1.setContent("你好，这是用java发的邮件,<a href='http://www.baidu.com'>百度</a>", "text/html;charset=UTF-8" );

  //第七步：

  Transport.send(mm1);

public void sendFile() throws Exception{

  Properties p = new Properties();

  p.setProperty("mail.host","smtp.163.com");

  p.setProperty("mail.smtp.auth","true");

  Session s = Session.getDefaultInstance(p,new Authenticator() {

   @Override

   public PasswordAuthentication getPasswordAuthentication() {

    return new PasswordAuthentication("ww", "123");

   }

  });

  s.setDebug(true);

 

  //声明MimeMessage

  MimeMessage msg = new MimeMessage(s);

  msg.setFrom(new InternetAddress("ww@163.com"));

  msg.setRecipient(RecipientType.TO, new InternetAddress("ww@126.com"));

  msg.setSubject("图片的");

  

  //第一步：声明多处理的Part

  MimeMultipart mm = new MimeMultipart();

  //第二步：声明

  MimeBodyPart body1 = new MimeBodyPart();

  //第三步：设置符件

  DataSource ds = new FileDataSource(new File("./img/a.jpg"));

  DataHandler dh = new DataHandler(ds);

  body1.setDataHandler(dh);

  //必须要设置名称

  body1.setFileName(MimeUtility.encodeText("美女.jpg"));

  MimeBodyPart body2 = new MimeBodyPart();

  //第三步：设置符件

  DataSource ds2 = new FileDataSource(new File("./img/b.jpg"));

  DataHandler dh2 = new DataHandler(ds2);

  body2.setDataHandler(dh2);

  //必须要设置名称

  body2.setFileName(MimeUtility.encodeText("美女2.jpg"));

  MimeBodyPart body3 = new MimeBodyPart();

  //第三步：设置符件

  DataSource ds3 = new FileDataSource(new File("./img/m.mp3"));

  DataHandler dh3 = new DataHandler(ds3);

  body3.setDataHandler(dh3);

  //必须要设置名称

  body3.setFileName(MimeUtility.encodeText("世纪末.mp3"));

  //将body1添加到mm

  mm.addBodyPart(body1);

  mm.addBodyPart(body2);

  mm.addBodyPart(body3);

  msg.setContent(mm);

  

  //发送

  Transport.send(msg);

 }