使用SSL发送电子邮件到gmail

/** 
来 自 
时代Java
**/

/* Use mail-1.4.1.jar */


import java.io.File;

import java.util.Date;

import java.util.Properties;


import javax.mail.Authenticator;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;
/*来自 
 时 代 J     a    v  a - nowjava.com*/

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;


public class MailTest {


    public static void main(String[] args) {


        /*Different Hosts :

          Gmail : Host :  smtp.gmail.com    Port : 587 (TLS Port)  -> props.put("mail.smtp.starttls.enable", "true")

          Yahoo : Host :  smtp.mail.yahoo.com    Port : 465 (SSL Port)

          Outlook : Host  :  smtp-mail.outlook.com     Port : 587

         */


        String host = "smtp-mail.outlook.com";

        String port = "587"; //465,25, 587

        String username = "from@outlook.com";

        String password = "XYZ";

        String to = "to@outlook.com";

        String filename = "abc.txt";

        String path = "C:/mailtest"; // For file C:/mailtest/abc.txt

        Properties props = System.getProperties();

        props.setProperty("mail.smtp.host", host);

        props.setProperty("mail.smtp.port", port);

        final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

        //props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);  // For SSL

        //props.setProperty("mail.smtp.socketFactory.fallback", "false");  // For SSL

        //props.setProperty("mail.smtp.socketFactory.port", port);    // For SSL

        props.put("mail.smtp.auth", "true"); // For authentication

        props.put("mail.debug", "true"); // This is optional. This is for debug looger.

        props.put("mail.store.protocol", "pop3");

        props.put("mail.transport.protocol", "smtp");

        props.put("mail.smtp.starttls.enable", "true"); // Use this for TLS


        try {

            Session session = Session.getDefaultInstance(props,

                    new Authenticator() {

                        protected PasswordAuthentication getPasswordAuthentication() {

                            return new PasswordAuthentication(username,

                                    password);

                        }

                    });


            // -- Create a new message --

            Message msg = new MimeMessage(session);

            msg.addHeader("Content-type", "text/HTML; charset=UTF-8");

            msg.addHeader("format", "flowed");

            msg.addHeader("Content-Transfer-Encoding", "8bit");

            // -- Set the FROM and TO fields --

            msg.setFrom(new InternetAddress(username));

            msg.setRecipients(Message.RecipientType.TO,

                    InternetAddress.parse(to, false));

            msg.setSubject("Hello");

            //msg.setText("How are you");

            msg.setSentDate(new Date());


            // Create the message body part with attachments

            BodyPart messageBodyPart = new MimeBodyPart();

            // Fill the message

            messageBodyPart.setText("This is mail with attachments.");

            // Create a multipart message for attachment

            Multipart multipart = new MimeMultipart();

            // Set text message part

            multipart.addBodyPart(messageBodyPart);

            // Second part is attachment

            messageBodyPart = new MimeBodyPart();

            try {

                File att = new File(new File(path), filename);

                ((MimeBodyPart) messageBodyPart).attachFile(att);

                multipart.addBodyPart(messageBodyPart);

            } catch (Exception e) {

                System.out.println(e);

            }


            // To attach image

            String image = "mypic.jpg"; // PAth : C:/mailtet/mypic.jpg

            messageBodyPart = new MimeBodyPart();

            try {

                File att1 = new File(