Java Mail 发送邮件

```

public class MailU {

public static void sendMail(String to)throws Exception

{

Properties props = System.getProperties();

props.put("mail.smtp.host", "smtp.163.com");

props.put("mail.transport.protocol", "smtp");

props.put("mail.smtp.auth","true");

props.setProperty("port", "25");

Session session = Session.getInstance(props, new Authenticator() {

@Override

protected PasswordAuthentication getPasswordAuthentication() {

// TODO Auto-generated method stub

return new PasswordAuthentication("******@163.com", "******");

}

});

//创建邮箱对象

Message message = new MimeMessage(session);

//设置发件人

message.setFrom(new InternetAddress("[email protected]","京东商城","UTF-8"));

message.setRecipient(RecipientType.TO, new InternetAddress(to));

message.setSubject("来自京东商城的激活邮件");

String string ="

来自京东商城的激活邮件,激活请点击

点击跳转

";

message.setContent("", "text/html;charset=utf-8");

//发送

String server = "smtp.163.com";

String username = "******@163.com";

String password = "******";

Transport transport = session.getTransport("smtp");

transport.connect(server, username, password);

transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO));

transport.close();

Transport.send(message);

}```