mail/MailSend.java > MODEL2

package controller.mail;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Date;

import java.util.Properties;

import javax.mail.Address;

import javax.mail.Message;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

@WebServlet("/mailSend")

public class MailSend extends HttpServlet {

private static final long serialVersionUID = 1L;

    public MailSend() {

        super();

    }

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

request.setCharacterEncoding("utf-8");

String receiver = request.getParameter("receiver");

String subject = request.getParameter("subject");

String content = request.getParameter("content");

//gmail 아이디(메일주소), 앱 비밀번호(2단계 인증) 발급받은 16자리

String user = "메일주소";

String password = "비밀번호";

response.setContentType("text/html; charset=utf-8");

PrintWriter out = response.getWriter();

try {

Properties p = new Properties(); //서버 정보를 p객체에 저장

p.put("mail.smtp.starttls.enable","true");

p.put("mail.smtp.host","smtp.gmail.com"); //gmail.com

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

p.put("mail.smtp.port", "587"); //gmail 포트번호

//인증정보 생성

Session s = Session.getInstance(p, new javax.mail.Authenticator() {

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(user, password);

}

});

Message m = new MimeMessage(s); //s객체를 사용하여 전송할 m객체 생성

Address receiver_address = new InternetAddress(receiver); //받는 사람

//메일 전송에 필요한 설정 부분

m.setHeader("content-type", "text/html;charset=utf-8");

m.addRecipient(Message.RecipientType.TO, receiver_address);

m.setSubject(subject);

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

m.setSentDate(new Date());

Transport.send(m); //메세지를 메일로 전송

out.print("메일 전송");

} catch (Exception e) {

e.printStackTrace();

}

}

}