发送email有关问题

//用mail.jar和activation.jar发送邮件//需要下载一个Mail.jar包和activation.jarMailSenderInfo.javapackage com.util.mail;import java.util.Properties;public class MailSenderInfo {// 发送邮件的服务器的IP和端口 private String mailServerHost; private String mailServerPort = "25"; // 邮件发送者的地址 private String fromAddress; // 邮件接收者的地址 private String toAddress; // 登陆邮件发送服务器的用户名和密码 private String userName; private String password; // 是否需要身份验证 private boolean validate = false; // 邮件主题 private String subject; // 邮件的文本内容 private String content; // 邮件附件的文件名 private String[] attachFileNames;  public Properties getProperties(){    Properties p = new Properties();    p.put("mail.smtp.host", this.mailServerHost);    p.put("mail.smtp.port", this.mailServerPort);    p.put("mail.smtp.auth", validate ? "true" : "false");    return p; } public String getMailServerHost() {  return mailServerHost; } public void setMailServerHost(String mailServerHost) {  this.mailServerHost = mailServerHost; }  public String getMailServerPort() {  return mailServerPort; }  public void setMailServerPort(String mailServerPort) {  this.mailServerPort = mailServerPort; }  public boolean isValidate() {  return validate; }  public void setValidate(boolean validate) {  this.validate = validate; }  public String[] getAttachFileNames() {  return attachFileNames; }  public void setAttachFileNames(String[] fileNames) {  this.attachFileNames = fileNames; }  public String getFromAddress() {  return fromAddress; } public void setFromAddress(String fromAddress) {  this.fromAddress = fromAddress; }  public String getPassword() {  return password; }  public void setPassword(String password) {  this.password = password; }  public String getToAddress() {  return toAddress; } public void setToAddress(String toAddress) {  this.toAddress = toAddress; } public String getUserName() {  return userName; }  public void setUserName(String userName) {  this.userName = userName; }  public String getSubject() {  return subject; }  public void setSubject(String subject) {  this.subject = subject; }  public String getContent() {  return content; }  public void setContent(String textContent) {  this.content = textContent; }} MyAuthenticator.javapackage com.util.mail; import javax.mail.*; public class MyAuthenticator extends Authenticator{  String userName=null;  String password=null;     public MyAuthenticator(){  }  public MyAuthenticator(String username, String password) {     this.userName = username;     this.password = password;   }   protected PasswordAuthentication getPasswordAuthentication(){    return new PasswordAuthentication(userName, password);  }}  SimpleMailSender.java package com.util.mail;import java.util.Date;import java.util.Properties;import javax.mail.Address;import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart;public class SimpleMailSender{public boolean sendTextMail(MailSenderInfo mailInfo) {// 判断是否需要身份认证 MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); if (mailInfo.isValidate()) {// 如果需要身份认证，则创建一个密码验证器 authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 根据邮件会话属性和密码验证器构造一个发送邮件的session Session sendMailSession = Session.getDefaultInstance(pro,authenticator);  try {  // 根据session创建一个邮件消息  Message mailMessage = new MimeMessage(sendMailSession);  // 创建邮件发送者地址  Address from = new InternetAddress(mailInfo.getFromAddress());  // 设置邮件消息的发送者  mailMessage.setFrom(from);  // 创建邮件的接收者地址，并设置到邮件消息中  Address to = new InternetAddress(mailInfo.getToAddress()); mailMessage.setRecipient(Message.RecipientType.TO,to); // 设置邮件消息的主题 mailMessage.setSubject(mailInfo.getSubject());  // 设置邮件消息发送的时间  mailMessage.setSentDate(new Date()); // 设置邮件消息的主要内容  String mailContent = mailInfo.getContent(); mailMessage.setText(mailContent);  // 发送邮件  Transport.send(mailMessage); return true;  } catch (MessagingException ex) {    ex.printStackTrace();  }  return false;   }   public static boolean sendHtmlMail(MailSenderInfo mailInfo){  // 判断是否需要身份认证  MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); //如果需要身份认证，则创建一个密码验证器   if (mailInfo.isValidate()) {  authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); }  // 根据邮件会话属性和密码验证器构造一个发送邮件的session  Session sendMailSession = Session.getDefaultInstance(pro,authenticator);  try {  // 根据session创建一个邮件消息  Message mailMessage = new MimeMessage(sendMailSession); // 创建邮件发送者地址  Address from = new InternetAddress(mailInfo.getFromAddress()); // 设置邮件消息的发送者  mailMessage.setFrom(from); // 创建邮件的接收者地址，并设置到邮件消息中  Address to = new InternetAddress(mailInfo.getToAddress());  // Message.RecipientType.TO属性表示接收者的类型为TO  mailMessage.setRecipient(Message.RecipientType.TO,to);  // 设置邮件消息的主题  mailMessage.setSubject(mailInfo.getSubject());  // 设置邮件消息发送的时间  mailMessage.setSentDate(new Date());  // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象  Multipart mainPart = new MimeMultipart();  // 创建一个包含HTML内容的MimeBodyPart  BodyPart html = new MimeBodyPart();  // 设置HTML内容  html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");  mainPart.addBodyPart(html);  // 将MiniMultipart对象设置为邮件内容 mailMessage.setContent(mainPart); // 发送邮件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace();} return false; }} test.java package com.util.mail;public class test {  public static void main(String[] args) {  // TODO Auto-generated method stub  //这个类主要是设置邮件　　  MailSenderInfo mailInfo = new MailSenderInfo();  mailInfo.setMailServerHost("smtp.163.com");   mailInfo.setMailServerPort("25");   mailInfo.setValidate(true);   mailInfo.setUserName("shuiguoai101@163.com");   mailInfo.setPassword("178563");//您的邮箱密码   mailInfo.setFromAddress("shuiguoai101@163.com");  // mailInfo.setToAddress("315905059@qq.com");   mailInfo.setToAddress("msn.leonard@gmail.com");  mailInfo.setSubject("设置邮箱标题如http://www.shuiguoai.com 水果爱");   mailInfo.setContent("设置邮箱内容如http://www.shuiguoai.com 水果爱真心话大冒险");    //这个类主要来发送邮件　　  SimpleMailSender sms = new SimpleMailSender(); sms.sendTextMail(mailInfo);//发送文体格式  sms.sendHtmlMail(mailInfo);//发送html格式　 }}