发送电子邮件，使用身份验证器创建新会话

/**来自 
 N o w  J a v a  .   c o m**/

//package com.nowjava;

import java.io.File;

import java.io.IOException;

import java.util.Date;

import java.util.Properties;

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.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;


public class Main {/*来自 NowJava.com - 时代Java*/

    public static void sendEmail(String host, String port,

            final String userName, final String password, String recipient,

            String subject, String message, File attachFile)

            throws AddressException, MessagingException {

        // sets SMTP server properties

        Properties properties = new Properties();

        properties.put("mail.smtp.host", host);

        properties.put("mail.smtp.port", port);

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

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

        properties.put("mail.user", userName);

        properties.put("mail.password", password);


        // creates a new session with an authenticator

        Authenticator auth = new Authenticator() {

            public PasswordAuthentication getPasswordAuthentication() {

                return new PasswordAuthentication(userName, password);

            }

        };

        Session session = Session.getInstance(properties, auth);


        // creates a new e-mail message

        Message msg = new MimeMessage(session);


        msg.setFrom(new InternetAddress(userName));


        String[] recipientArray = recipient.split(",");

        InternetAddress[] toAddresses = new InternetAddress[recipientArray.length];

        for (int i = 0; i < recipientArray.length; i++) {

            toAddresses[i] = new InternetAddress(recipientArray[i]);

        }

        //InternetAddress[] toAddresses = { new InternetAddress(recipient),new InternetAddress("tgbadorrek@gmail.com") };

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

        msg.setSubject(subject);

        msg.setSentDate(new Date());


        // creates message part

        MimeBodyPart messageBodyPart = new MimeBodyPart();

        messageBodyPart.setContent(message, "text/html");


        // creates multi-part

        Multipart multipart = new MimeMultipart();