javaMail 抛异常，求指点！！！！
Java code主程序：程序抛出异常：javax.mail.AuthenticationFailedException 是什么原因，求指点。。。package Model;public class SendMailToSomeone { public static void main(String []args){ SendMailToSomeone smts=new SendMailToSomeone(); smts.send("aa", "hello", "Crazy4J@126.com", "Crazy_4J@sohu.com", "xxx", "smtp.sohu.com"); } /** * 发送电子邮件到指定的信箱 * @param title 邮件标题 * @param mailbody 邮件内容【一个网页，表格ok】 * @param sendTo 发送给谁 hanshunping@tsinghua.org.cn * @param from 从哪些发送 admin@sohu.com * @param passwd 密码 123456 * @param sendStmp 发送邮件的smtp smtp.sohu.com [smtp.163.com] [smtp.sina.com] */ public void send(String title,String mailbody,String sendTo,String from,String passwd,String sendStmp){ //指明让那个smtp转发(搜狐) MysendMail themail = new MysendMail(sendStmp); //校验身份 themail.setNeedAuth(true); //邮件标题 if(themail.setSubject(title) == false) return; //将要发送的 内容放入邮件体 if(themail.setBody(mailbody) == false) return; //发送到哪里 if(themail.setTo(sendTo) == false) return; //谁发送的 if(themail.setFrom(from) == false) return; // if(themail.addFileAffix("e:\\butterfly.gif") == false) return; // if() //将在sohu网站上的邮件用户名和 密码 放入邮件体 themail.setNamePass("xxx",passwd); //发送 if(themail.sendout() == false) return; }}MysendMail.javapackage Model;import java.util.*;import javax.mail.*;import javax.mail.internet.*;import javax.activation.*;public class MysendMail { private MimeMessage mimeMsg; //MIME邮件对象 private Session session; //邮件会话对象 private Properties props; //系统属性 private boolean needAuth = false; //smtp是否需要认证 private String username = ""; //smtp认证用户名和密码 private String password = ""; private Multipart mp; //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象 public MysendMail() { //setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取 createMimeMessage(); } public MysendMail(String smtp){ setSmtpHost(smtp); createMimeMessage(); } /** * @param hostName String */ public void setSmtpHost(String hostName) { System.out.println("设置系统属性：mail.smtp.host = "+hostName); if(props == null)props = System.getProperties(); //获得系统属性对象 props.put("mail.smtp.host",hostName); //设置SMTP主机 } /** * @return boolean */ public boolean createMimeMessage() { try{ System.out.println("准备获取邮件会话对象！"); session = Session.getDefaultInstance(props,null); //获得邮件会话对象 } catch(Exception e){ System.err.println("获取邮件会话对象时发生错误！"+e); return false; } System.out.println("准备创建MIME邮件对象！"); try{ mimeMsg = new MimeMessage(session); //创建MIME邮件对象 mp = new MimeMultipart(); return true; } catch(Exception e){ System.err.println("创建MIME邮件对象失败！"+e); return false; }} /** * @param need boolean */ public void setNeedAuth(boolean need) { System.out.println("设置smtp身份认证：mail.smtp.auth = "+need); if(props == null)props = System.getProperties(); if(need){ props.put("mail.smtp.auth","true"); }else{ props.put("mail.smtp.auth","false"); } }/*** @param name String* @param pass String*/public void setNamePass(String name,String pass) { username = name; password = pass;}/*** @param mailSubject String* @return boolean*/public boolean setSubject(String mailSubject) {System.out.println("设置邮件主题！");try{mimeMsg.setSubject(mailSubject);return true;}catch(Exception e) {System.err.println("设置邮件主题发生错误！");return false;}}/*** @param mailBody String*/public boolean setBody(String mailBody) {try{BodyPart bp = new MimeBodyPart();bp.setContent("<meta http-equiv=Content-Type content=text/html; charset=gb2312>"+mailBody,"text/html;charset=GB2312");mp.addBodyPart(bp);return true;}catch(Exception e){System.err.println("设置邮件正文时发生错误！"+e);return false;}}/*** @param name String* @param pass String*/public boolean addFileAffix(String filename) {System.out.println("增加邮件附件："+filename);try{BodyPart bp = new MimeBodyPart();FileDataSource fileds = new FileDataSource(filename);bp.setDataHandler(new DataHandler(fileds));bp.setFileName(fileds.getName());mp.addBodyPart(bp);return true;}catch(Exception e){System.err.println("增加邮件附件："+filename+"发生错误！"+e);return false;}}/*** @param name String* @param pass String*/public boolean setFrom(String from) {System.out.println("设置发信人！");try{mimeMsg.setFrom(new InternetAddress(from)); //设置发信人return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean setTo(String to){if(to == null)return false;try{mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean setCopyTo(String copyto){if(copyto == null)return false;try{mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));return true;}catch(Exception e){ return false; }}/*** @param name String* @param pass String*/public boolean sendout(){ try{ mimeMsg.setContent(mp); mimeMsg.saveChanges(); System.out.println("正在发送邮件...."); Session mailSession = Session.getInstance(props,null); Transport transport = mailSession.getTransport("smtp"); transport.connect((String)props.get("mail.smtp.host"),username,password); transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO)); System.out.println("发送邮件成功！"); transport.close(); return true; } catch(Exception e){ System.err.println("邮件发送失败！"+e); return false; }}}