利用java mail发送邮件

import java.util.Date;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.Authenticator;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

public class demo {

    /**

     * @param args

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

         Properties props = new Properties();

            props.put("mail.smtp.host","smtp.qq.com");

            props.put("mail.smtp.auth", "true"); // 指定是否需要SMTP验证

            Session session = Session.getDefaultInstance(props

                    //以匿名内部类的形式创建登录服务器的认证对象

                    , new Authenticator()

                    {

                        public PasswordAuthentication getPasswordAuthentication()

                        {

                            return new PasswordAuthentication("717608039@qq.com","justdoit@qq");

                        }

                    });

            try {

                MimeMessage msg = new MimeMessage(session);

                msg.setFrom("717608039@qq.com");

                msg.setSubject("JavaMail hello world example");

                msg.setSentDate(new Date());

                InternetAddress[] addresses = {new InternetAddress("289495433@qq.com")};

                msg.setRecipients(Message.RecipientType.TO , addresses);

                msg.setText("Hello, world!\n");

                Multipart mp = new MimeMultipart();

                //向Multipart添加正文

                MimeBodyPart mbpContent = new MimeBodyPart();

                mbpContent.setText("hello");

                //将BodyPart添加到MultiPart中

                mp.addBodyPart(mbpContent);

                MimeBodyPart mbpFile = new MimeBodyPart();

                //以文件名创建FileDataSource对象

                FileDataSource fds = new FileDataSource("D://002.jpg");

                //处理附件

                mbpFile.setDataHandler(new DataHandler(fds));

                mbpFile.setFileName(fds.getName());

                //将BodyPart添加到MultiPart中

                mp.addBodyPart(mbpFile);

                msg.setContent(mp);

                Transport.send(msg);

            } catch (MessagingException mex) {

                System.out.println("send failed, exception: " + mex);

            }

    }

}
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利用java mail发送邮件

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