JavaMail POP3接收邮件示例

/**

* CrazyItTest

* 使用JavaMail 编写接收邮件示例

*/

package com.labci.javamail.test;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Properties;

import javax.mail.Folder;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Store;

/**

* @author Bill Tu(tujiyue/iwtxokhtd)

* May 27, 2011[10:04:20 PM]

*

*/

public class ReceiveEmailTest {

private static final String PROTOCOL = "pop3";

private static final String HOST = "pop3.163.com";

private static final String USER = "iwtxokhtd";

private static final String PASS="123456";

private static Session getMailSession(){

Properties props=new Properties();

props.put("mail.store.protocol", PROTOCOL);

props.put("mail.pop3.host", HOST);

Session session=Session.getDefaultInstance(props);

return session;

}

private static void receiveEmail() throws MessagingException, IOException{

Store store=getMailSession().getStore();

store.connect(HOST,USER,PASS);

Folder receiveFolder=store.getFolder("inbox");//对于POP3协议此参数值只能是inbox

receiveFolder.open(Folder.READ_WRITE);//设置收件夹打开后的读写权限

int messageCount=receiveFolder.getMessageCount();

System.out.println("总共拥有邮件数："+messageCount);

if(messageCount>0){

Message []messages=receiveFolder.getMessages();//得到所有的邮件

for(int i=0;i<messages.length;i++){

Message msg=messages[i];

System.out.println("第"+(i+1)+"封邮件的主题为："+msg.getSubject()

+" ,其发送人地址为："+msg.getFrom()[0]);

System.out.println("您是否要阅读此邮件？若要请输入yes,否则就输入no:");

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

String input=br.readLine();

if(input!=null && !"".equals(input)

&&"yes".equals(input.trim())){

msg.writeTo(System.out);//直接输出到控制台,当然也输出到文件中。

}

}

}

receiveFolder.close(true);//关闭邮件夹对象

store.close();//断开连接

}

/**

* @param args

* @throws IOException

* @throws MessagingException

*/

public static void main(String[] args) throws MessagingException, IOException {

receiveEmail();

}

}