Como baixar arquivo anexo de um servidor de email?

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.mail.*;
import javax.mail.internet.InternetAddress;


public class ReadMultipartMail 
{
    public static void main(String[] args) throws NoSuchProviderException, MessagingException, IOException
    {
        String host = "pop.dzyon.com";
        String username = "[email removido]";
        String password = "senha";
        
        Properties properties = System.getProperties();
        
        Session session = Session.getDefaultInstance(properties);
        
        Store store = session.getStore("pop3");
        
        store.connect(host, username, password);
        
        Folder folder = store.getFolder("inbox");
        
        if(!folder.exists())
        {
            System.out.println("no INBOX");
            System.exit(0);
        }
        
        folder.open(Folder.READ_WRITE);
        
        Message[] msg = folder.getMessages();
        
        for (int i = 0; i < msg.length; i++)
        {
            System.out.println("--------------------MESSAGE " + (i+1) + "--------------------------");
            
            String from = InternetAddress.toString(msg[i].getFrom());
            
            if(from != null)
            {
                System.out.println("From: " + from);
            }
            
            String replyTo = InternetAddress.toString(msg[i].getReplyTo());
            
            if(replyTo != null)
            {
                System.out.println("Reply-to: " + replyTo);
            }
            
            String to = InternetAddress.toString(msg[i].getRecipients(Message.RecipientType.TO));
            
            if(to != null)
            {
                System.out.println("To: " + to);
            }
            
            String subject = msg[i].getSubject();
            
            if(subject != null)
            {
                System.out.println("Subject: " + subject);
            }
            
            Date sent = msg[i].getSentDate();
            SimpleDateFormat formataData = new SimpleDateFormat("dd/MM/yyyy");
            if(sent != null)
            {
                
                System.out.println("Sent: " + formataData.format(sent));
            }
            
            System.out.println();
            System.out.println("Message : ");
            
            Multipart multipart = (Multipart) msg[i].getContent();
            
            for (int x = 0; x < multipart.getCount(); x++)
            {
                BodyPart bodyPart = multipart.getBodyPart(x);
                
                String disposition = bodyPart.getDisposition();
                
                if (disposition != null && (disposition.equals(BodyPart.ATTACHMENT))) 
                {
                    
                    System.out.println("Mail have some attachment : ");
                    
                    DataHandler handler = bodyPart.getDataHandler();
                    
                    System.out.println("file name : " + handler.getName());
                }
                else
                {
                    System.out.println("Conteúdo: " + bodyPart.getContent());   
                }
            }
            
            System.out.println();
            
        }
         folder.close(true);
         store.close();
    }
}