1先去qq邮箱设置中开启 POP3和STMP 服务， 记住授权码

然后编写代码

package cn.yunhe.utils;import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;/*** 邮件发送工具类* Created by Administrator on 2017/8/4.*/
public class MailUtils {/*** 发送邮件的方法* @param to   ：收件人* @param code ：激活码*/public static void sendMail(String to,String code){//1.获得Session对象Properties props=new Properties();props.put("mail.transport.protocol","smtp");//连接协议props.put("mail.smtp.host","smtp.qq.com");//主机名props.put("mail.smtp.port","465");//端口号props.put("mail.smtp.auth","true");props.put("mail.smtp.ssl.enable","true");//设置是否使用ssl安全连接，一般都使用props.put("mail.debug","true");//设置是否显示debug信息 true会在控制台显示相关信息//得到回话对象Session session=Session.getInstance(props);//获取邮件对象Message message=new MimeMessage(session);try {//设置发件人地址message.setFrom(new InternetAddress("171437912@qq.com"));//设置收件人地址 (将参数传进来)message.setRecipients(Message.RecipientType.TO,new InternetAddress[]{new InternetAddress(to)});//设置邮件标题message.setSubject("来自购物天堂的官方激活邮件");//设置邮件正文message.setContent("
购物天堂官方激活邮件！点下边的链接完成激活操作！
http://172.16.23.150:8080/active?code="+code+"
","text/html;charset=UTF-8");//得到邮差对象Transport transport=session.getTransport();//连接自己的邮箱账户transport.connect("171437912@qq.com","xvqeeiaszzvubhgg");//密码为授权码//发送邮件
            transport.sendMessage(message,message.getAllRecipients());} catch (MessagingException e) {e.printStackTrace();}//本地服务器/*props.setProperty("mail.host","localhost");*//* Session session=Session.getInstance(props, new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return  new PasswordAuthentication("service@shop.com","111");}});*///2.创建一个代表邮件的对象Message/*Message message=new MimeMessage(session);try {//设置发件人message.setFrom(new InternetAddress("service@shop.com"));//设置收件人message.setRecipient(Message.RecipientType.TO,new InternetAddress(to));//抄送 CC  密送 BCC//设置标题message.setSubject("来自购物天堂的官方激活邮件");//设置邮件正文message.setContent("
购物天堂官方激活邮件！点下边的链接完成激活操作！
http://172.16.23.150:8080/active?code="+code+"
","text/html;charset=UTF-8");//3.发送邮件TransportTransport.send(message);} catch (MessagingException e) {e.printStackTrace();}*/}}

转载于:https://www.cnblogs.com/liuyingke/p/7289308.html

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