commons-mail.jar 接收邮件问题

public void getMailMsg() throws Exception {
		final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

		// Get a Properties object

		Properties props = System.getProperties();

		props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);

		props.setProperty("mail.pop3.socketFactory.fallback", "false");

		props.setProperty("mail.pop3.port", "995");

		props.setProperty("mail.pop3.socketFactory.port", "995");

		// 以下步骤跟一般的JavaMail操作相同

		Session session = Session.getDefaultInstance(props, null);

		// 请将红色部分对应替换成你的邮箱帐号和密码

		URLName urln = new URLName("pop3", "pop.126.com", 995, null,

		"[e-mail]", "密码");

		Store store = session.getStore(urln);

		Folder inbox = null;

		try {

			store.connect();

			inbox = store.getFolder("INBOX");

			inbox.open(Folder.READ_ONLY);

			FetchProfile profile = new FetchProfile();

			profile.add(FetchProfile.Item.ENVELOPE);

			Message[] messages = inbox.getMessages();

			inbox.fetch(messages, profile);

			System.out.println("收件箱的邮件数：" + messages.length);
			
			Map<String,String> mailMap = new HashMap<String,String>();// 存放邮件的数据
			
			for (int i = 0; i < messages.length; i++) {

				// 邮件发送者
				
				String from = decodeText(messages[i].getFrom()[0].toString());

				InternetAddress ia = new InternetAddress(from);

				System.out.println("FROM:" + ia.getPersonal() + '('
						+ ia.getAddress() + ')');
				mailMap.put(MailMSG.FROM, ia.getAddress());

				// 邮件标题

				System.out.println("TITLE:" + messages[i].getSubject());
				mailMap.put(MailMSG.TITLE, messages[i].getSubject());
				// 邮件大小

				System.out.println("SIZE:" + messages[i].getSize());
				mailMap.put("SIZE", String.valueOf(messages[i].getSize()));
				// 邮件发送时间

				System.out.println("DATE:" + messages[i].getSentDate());
				mailMap.put("DATE", messages[i].getSentDate().toString());
				MailJobs.executeJob(mailMap );//根据发送的指令执行某个动做			}

		} finally {

			try {

				inbox.close(false);

			} catch (Exception e) {
			}

			try {

				store.close();

			} catch (Exception e) {
			}

		}

	}

	protected static String decodeText(String text)

	throws UnsupportedEncodingException {

		if (text == null)

			return null;

		if (text.startsWith("=?GB") || text.startsWith("=?gb"))

			text = MimeUtility.decodeText(text);

		else
			text = new String(text.getBytes("GBK"));

		return text;

	}