javamail發送郵件，解決被垃圾郵件問題

package com.wzy.car.exhibition.controller.adver;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Calendar;
import java.util.Properties;

/**
 * 發送郵件
 *
 * @author 高飛
 * @version v1.0
 * @since 2018/6/13
 */
@Controller
@RequestMapping("/bm")
public class bMController {

    @RequestMapping(value = "/sendEmail",method = RequestMethod.POST)
    @ResponseBody
    public String sendEmail(@RequestParam(value = "email") String email){
        // 1.創建一個程序與郵件服務器會話對象 Session
        Properties props = new Properties();
        props.setProperty("mail.transport.protocol", "SMTP");// 連接協議
        props.setProperty("mail.smtp.host", "smtp.163.com");// 連接協議
        props.setProperty("mail.smtp.port", "25");// 連接協議
        // 指定驗證為true
        props.setProperty("mail.smtp.auth", "true");
        props.setProperty("mail.smtp.timeout","1000");
        // 驗證賬號及密碼，密碼需要是第三方授權碼
        Authenticator auth = new Authenticator() {
            public PasswordAuthentication getPasswordAuthentication(){
                 return new PasswordAuthentication("發送人郵箱", "授權碼");
            }
        };
        Session session = Session.getInstance(props, auth);

        // 2.創建一個Message，它相當於是郵件內容
        MimeMessage message = new MimeMessage(session);
        try {
            //防止成為垃圾郵件，披上outlook的馬甲
            message.addHeader("X-Mailer","Microsoft Outlook Express 6.00.2900.2869");
            // 設置發送者
            message.setFrom(new InternetAddress("發送人郵箱"));
            // 設置發送方式與接收者
            message.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(email));
            // 設置主題
            message.setSubject("標題");

            //創建消息主體
            MimeBodyPart messageBodyPart = new MimeBodyPart();

            

            messageBodyPart.setText("內容主體");

            // 創建多重消息
            Multipart multipart=new MimeMultipart();

            multipart.addBodyPart(messageBodyPart);

            // 設置郵件消息發送的時間
            message.setSentDate(Calendar.getInstance().getTime());
            // 設置內容
            message.setContent(multipart, "text/html;charset=utf-8");

            // 3.創建 Transport用於將郵件發送
            Transport.send(message);
            return "200";
        }catch (Exception e){
            e.printStackTrace();
            return "400";
        }
    }

}

轉載自https://blog.csdn.net/qq_37427123/article/details/80689988