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;

import com.sun.mail.util.MailSSLSocketFactory;

public class SendMail {

    public static void main(String[] args) throws Exception {

        Properties prop = new Properties();

        // 开启debug调试，以便在控制台查看

        prop.setProperty("mail.debug", "true");

        // 设置邮件服务器主机名

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

        // 发送服务器需要身份验证

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

        // 发送邮件协议名称

        prop.setProperty("mail.transport.protocol", "smtp");

        // 开启SSL加密，否则会失败

        MailSSLSocketFactory sf = new MailSSLSocketFactory();

        sf.setTrustAllHosts(true);

        prop.put("mail.smtp.ssl.enable", "true");

        prop.put("mail.smtp.ssl.socketFactory", sf);

        // 创建session

        Session session = Session.getInstance(prop);

        // 通过session得到transport对象

        Transport ts = session.getTransport();

        // 连接邮件服务器：邮箱类型，帐号，授权码代替密码（更安全）

        ts.connect("smtp.qq.com", "123456789@qq.com", "xcwalavrgfamafhe");

        // 创建邮件

        Message message = createSimpleMail(session);

        // 发送邮件

        ts.sendMessage(message, message.getAllRecipients());

        ts.close();

    }

    /**

     * 开始测试~

     */

    public static MimeMessage createSimpleMail(Session session) throws Exception {

        // 创建邮件对象

        MimeMessage message = new MimeMessage(session);

        // 指明邮件的发件人

        message.setFrom(new InternetAddress("123456789@qq.com"));

        // 指明邮件的收件人，现在发件人和收件人是一样的，那就是自己给自己发

        message.setRecipient(Message.RecipientType.TO, new InternetAddress("123456789@qq.com"));

        // 邮件的标题

        message.setSubject("this is JavaMail demo");

        // 邮件的文本内容

        message.setContent("Send a success！", "text/html;charset=UTF-8");

        return message;

    }

}