JAVA MAIL API

Session.getProperties();
session.getstore("pop3")
store.connect(hostname,username,and password)
store.getFolder("inbox")
folder.open(Folder.READ_ONLY),folder.getMessages() .

package R4R;
import java.io.*;
import java.util.*;
import javax.activation.*;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.Transport;
public class readmail 
{ 
	(追記) (追記ここまで)
public static void main(String args[]) 
 { 
 String host = "192.168.10.255";
 String username = "r4r@localhost";
 String password = "r4r@localhost"; 
 // Create empty properties
Properties props = new Properties();
// Get session
Session session = Session.getDefaultInstance(props, null);
// Get the store
Store store = session.getStore("pop3");
store.connect(host, username, password);
// Get folder
Folder folder = store.getFolder("INBOX");
folder.open(Folder.READ_ONLY);
// Get directory
Message message[] = folder.getMessages();
for (int i=0; n=message.length; i<n; i++) {
 System.out.println(i + ": " + message[i].getFrom()[0] 
 + "\t" + message[i].getSubject());
}
// Close connection 
folder.close(false);
store.close();
}
}