利用java实现邮箱群发功能

import java.io.Serializable;  
/** 
 * 邮件实体类 
 */  
public class Mail implements Serializable {  
 /** 
  * 序列号 
  */ 
 private static final long serialVersionUID = -3562218214168975242L; 
 /** 
  * 邮件编码s 
  */ 
 public static final String ENCODEING = "UTF-8";  
 /** 
  * 服务器地址 
  */ 
 private String host; 
 /** 
  * 服务器端口号 
  */ 
 private String portNumber;  
 /** 
  * 发件人的邮箱 
  */ 
 private String sender;  
 /** 
  * 收件人的邮箱 
  */  
 private String receiver;  
 /** 
  * 发件人昵称 
  */  
 private String name;  
 /** 
  * 账号 
  */  
 private String username;  
 /** 
  * 密码 
  */  
 private String password;  
 /** 
  * 主题 
  */ 
 private String subject; 
 /** 
  * 信息(支持HTML) 
  */ 
 private String message;  
  
 public String getHost() {  
  return host;  
 }  
  
 public void setHost(String host) {  
  this.host = host;  
 }  
  
 public String getSender() {  
  return sender;  
 }  
  
 public String getPortNumber() { 
  return portNumber; 
 } 
 
 public void setPortNumber(String portNumber) { 
  this.portNumber = portNumber; 
 } 
 
 public void setSender(String sender) {  
  this.sender = sender;  
 }  
  
 public String getReceiver() {  
  return receiver;  
 }  
  
 public void setReceiver(String receiver) {  
  this.receiver = receiver;  
 }  
  
 public String getName() {  
  return name;  
 }  
  
 public void setName(String name) {  
  this.name = name;  
 }  
  
 public String getUsername() {  
  return username;  
 }  
  
 public void setUsername(String username) {  
  this.username = username;  
 }  
  
 public String getPassword() {  
  return password;  
 }  
  
 public void setPassword(String password) {  
  this.password = password;  
 }  
  
 public String getSubject() {  
  return subject;  
 }  
  
 public void setSubject(String subject) {  
  this.subject = subject;  
 }  
  
 public String getMessage() {  
  return message;  
 }  
  
 public void setMessage(String message) {  
  this.message = message;  
 }  
  
} 

import org.apache.commons.mail.EmailException; 
import org.apache.commons.mail.HtmlEmail; 
 
public class MailUtil {  
  
 public boolean send(Mail mail) {  
  //发送email对象 
  HtmlEmail email = new HtmlEmail();  
  try {  
   //这里是SMTP发送服务器的名字 
   email.setHostName(mail.getHost());  
   //端口号不为空时,用户自定义的端口号为SMTP发送服务器端口号 
   if (!"".equals(mail.getPortNumber())) { 
    email.setSSLOnConnect(true);  
    email.setSslSmtpPort(mail.getPortNumber()); 
   } 
   //字符编码集的设置  
   email.setCharset(Mail.ENCODEING);  
   //收件人的邮箱  
   email.addTo(mail.getReceiver());  
   //发送人的邮箱  
   email.setFrom(mail.getSender(), mail.getName());  
   // 如果需要认证信息的话，设置认证：用户名-密码。分别为发件人在邮件服务器上的注册名称和密码  
   email.setAuthentication(mail.getUsername(), mail.getPassword());  
   // 要发送的邮件主题  
   email.setSubject(mail.getSubject());  
   // 要发送的信息，由于使用了HtmlEmail，可以在邮件内容中使用HTML标签  
   email.setMsg(mail.getMessage());  
   // 发送  
   email.send();  
   return true;  
  } catch (EmailException e) {  
   e.printStackTrace();  
   return false;  
  }  
 }  
} 

import java.util.Random; 
 
 
public class SimpleEmailClient { 
 
 public static void main(String[] args) throws InterruptedException { 
  Mail mail = new Mail(); 
  mail.setHost("smtp.qq.com"); // 设置邮件服务器,如果不用QQ邮箱的,自己找找看相关的 
  mail.setPortNumber("465"); // 设置邮件服务器端口号,默认25 
  mail.setSender("xxxx@qq.com"); // 发送人 
  mail.setName("杨大侠"); // 发送人昵称 
  mail.setSubject("好吃美味"); //发送主题 
  mail.setMessage("好吃美味"); //发送内容 
  mail.setUsername("xxxx@qq.com"); // 登录账号,一般都是和邮箱名一样 
  mail.setPassword("********"); // QQ邮箱登录第三方客户端时,密码框请输入“授权码”进行验证。其他的密码具体查看邮件服务器的说明 
   
  for (int i = 0; i < 1000; i++) { 
    
   //Thread.sleep(2000); 
    
   int max1 = 99999; 
   int min1 = 10000; 
   Random random = new Random(); 
   int f = random.nextInt(max1)%(max1-min1+1) + min1; 
    
   int max2 = 9999; 
   int min2 = 1000; 
   Random random2 = new Random(); 
   int s = random2.nextInt(max2)%(max2-min2+1) + min2; 
   String account = "" + f + "" + s + "@qq.com"; 
    
   mail.setReceiver(account); // 接收人 
   System.out.println(account); 
   if (new MailUtil().send(mail)) { 
    System.out.println("发送成功"); 
   } else { 
    System.out.println("发送失败"); 
   } 
  } 
   
 } 
}