1、登录qq邮箱，开启POP3/SMTP服务
路径：qq邮箱--->设置---->选择账户----> 打开
按照要求发送短信后得到授权码
得到授权码后要记得点击确定，页面拉到最下方点击保存设置。
2、pom.xml加入依赖
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-email</artifactId>
<version>1.5</version>
</dependency>?加入后会自动加载其他两个相关依赖
3、测试类（两种发送方式都测试成功了）
package com.ymo;
import java.security.GeneralSecurityException;
import java.util.Properties;
import java.util.Random;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.junit.Test;
import com.sun.mail.util.MailSSLSocketFactory;
public class EmalTest {
String yzm;
@Test
public void send() {
yzm = random1();
try {
//HtmlEmail方式
//sendEmail();
//javax.mail方式
sendMail("XXX@qq.com", "XXX", "XXX@qq.com", "测试", "<html><h1>我的验证码："+yzm+"</h1></html>");
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (GeneralSecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 方式1：发送QQ邮件
*/
public void sendEmail() {
HtmlEmail send = new HtmlEmail();//创建一个HtmlEmail实例对象
// 获取随机验证码
String resultCode = yzm;
try {
send.setHostName("smtp.qq.com");
send.setAuthentication("XXX@qq.com", "XXX"); //第一个参数是发送者的QQEamil邮箱 第二个参数是刚刚获取的授权码
send.setFrom("XXX@qq.com", "orison有限公司");//发送人的邮箱为自己的，用户名可以随便填 记得是自己的邮箱不是qq
// send.setSmtpPort(465); //端口号 可以不开
send.setSSLOnConnect(true); //开启SSL加密
send.setCharset("utf-8");
send.addTo("XXX@qq.com"); //设置收件人 email为你要发送给谁的邮箱账户
send.setSubject("测试测试"); //邮箱标题
send.setMsg("HelloWorld!<font color='red'>您的验证码:</font> " + resultCode + " ，五分钟后失效"); //Eamil发送的内容
send.send(); //发送
} catch (EmailException e) {
e.printStackTrace();
}
}
/**方式2：发送QQ邮件
* @param sender 发送方的邮箱
* @param auth qq邮箱中申请的16位授权码
* @param to 接收人邮箱
* @param title 邮件标题
* @param content 邮件内容
* */
public static void sendMail(String sender,String auth,String to,String title,String content) throws MessagingException, GeneralSecurityException, javax.mail.MessagingException {
//创建一个配置文件并保存
Properties properties = new Properties();
properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
properties.setProperty("mail.smtp.socketFactory.fallback", "false");
properties.setProperty("mail.smtp.port", "465");
properties.setProperty("mail.smtp.socketFactory.port", "465");
properties.setProperty("mail.host","smtp.qq.com");
properties.setProperty("mail.transport.protocol","smtp");
properties.setProperty("mail.smtp.auth","true");
//QQ存在一个特性设置SSL加密
MailSSLSocketFactory sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
properties.put("mail.smtp.ssl.enable", "true");
properties.put("mail.smtp.ssl.socketFactory", sf);
//创建一个session对象
Session session = Session.getDefaultInstance(properties, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(sender,auth);
}
});
//开启debug模式
session.setDebug(true);
//获取连接对象
Transport transport = session.getTransport();
//连接服务器
transport.connect("smtp.qq.com",sender,auth);
//创建邮件对象
MimeMessage mimeMessage = new MimeMessage(session);
//邮件发送人
mimeMessage.setFrom(new InternetAddress(sender));
//邮件接收人
mimeMessage.setRecipient(Message.RecipientType.TO,new InternetAddress(to));
//邮件标题
mimeMessage.setSubject(title);
//邮件内容
mimeMessage.setContent(content,"text/html;charset=UTF-8");
//发送邮件
transport.sendMessage(mimeMessage,mimeMessage.getAllRecipients());
//关闭连接
transport.close();
}
//生成6位数 验证码
public static String random1(){
String code = "";
Random rd=new Random();
for (int i = 0; i < 6; i++) {
int r = rd.nextInt(10); //每次随机出一个数字（0-9）
code = code + r; //把每次随机出的数字拼在一起
}
System.out.println(code);
return code;
}
}
