通过JAVAMAIL连接到SSL邮件服务器并接收邮件

网上一堆堆的介绍贴子，但多数是虎头蛇尾，把我整理出来能用的贴上以供参考（用了部分别人的代码）

参考地址：http://www.javaworld.com/javatips/jw-javatip115.html?page=2

/**
  * 文件名：SSLEmailUtil.java
  * 版本信息：Version 1.0
  * 日期：2013-11-7
  * Copyright talkweb.com.cn Corporation 2013 
  * 版权所有
  */
package org.justframework.util;
import java.security.Security;
import java.util.Date;
import java.util.Properties;
import javax.mail.Address;
import javax.mail.FetchProfile;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.ContentType;
import javax.mail.internet.ParseException;
 
import com.sun.mail.pop3.POP3SSLStore;


/**
 * 类描述：
 * @version: 1.0
 * @author: lixiaofeng
 * @version: 2013-11-7 上午10:58:13 
 */
public class SSLEmailUtil {
private Session session = null;
   private Store store = null;
   private String username, password;
   private Folder folder;
    
   public SSLEmailUtil() {
        
   }
    
   public void setUserPass(String username, String password) {
       this.username = username;
       this.password = password;
   }
    
   public void connect() throws Exception {
        
    Security.setProperty( "ssl.SocketFactory.provider", "org.justframework.util.DummySSLSocketFactory");//注意，这句最重要，原GMAILE里面有一个类似的必须删除
       Properties pop3Props = new Properties();
       pop3Props.setProperty("mail.pop3.socketFactory.fallback", "false");
       pop3Props.setProperty("mail.pop3.port",  "995");
       pop3Props.setProperty("mail.pop3.socketFactory.port", "995");
       URLName url = new URLName("pop3","pop3.feinno.com",995,null,username, password);
       session = Session.getInstance(pop3Props, null);
       store = new POP3SSLStore(session, url);
       store.connect();
      
   }
    
   public void openFolder(String folderName) throws Exception {
        
       // Open the Folder
       folder = store.getDefaultFolder();
        
       folder = folder.getFolder(folderName);