求一个简单java编写的邮件收发程序，邮件发送程序为smtpsend，邮件接收程序为popreceive。急需，感谢。

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import java.io.*;

public class POP3Client {

  public static void main(String[] args) {

    Properties props = new Properties();

    String host = "utopia.poly.edu";
    String username = "eharold";
    String password = "mypassword";
    String provider = "pop3";

    try {
      // Connect to the POP3 server
      Session session = Session.getDefaultInstance(props, null);
      Store store = session.getStore(provider);
      store.connect(host, username, password);

      // Open the folder
      Folder inbox = store.getFolder("INBOX");
      if (inbox == null) {
        System.out.println("No INBOX");
        System.exit(1);
      }
      inbox.open(Folder.READ_ONLY);

      // Get the messages from the server
      Message[] messages = inbox.getMessages();
      for (int i = 0; i < messages.length; i++) {
        System.out.println("------------ Message " + (i+1)
         + " ------------");
        messages[i].writeTo(System.out);
      }

      // Close the connection
      // but don't remove the messages from the server
      inbox.close(false);
      store.close();

    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }
}
 

专业 提供 ,开发文档,数据库,设计报告,百度Hi联系