com.sun.mail.smtp.SMTPSendFailedException: 503 Error: need EHLO and AUTH first !

Question

importjava.io.File;
importjava.util.Date;
importjava.util.Properties;
importjavax.activation.DataHandler;
importjavax.activation.FileDataSource;
importjavax.mail.Session;
importjavax.mail.Transport;
importjavax.mail.internet.InternetAddress;
importjavax.mail.internet.MimeBodyPart;
importjavax.mail.internet.MimeMessage;
importjavax.mail.internet.MimeMultipart;
importjavax.mail.internet.MimeUtility;
importjava.util.Properties;
importjavax.mail.Address;
importjavax.mail.Authenticator;
importjavax.mail.Message;
importjavax.mail.PasswordAuthentication;
importjavax.mail.Session;
importjavax.mail.Transport;
importjavax.mail.internet.InternetAddress;
importjavax.mail.internet.MimeMessage;
publicclassEmail{
publicstaticvoidmain(String[]args){
InternetAddress[]popAddressList=null;
StringsmtpServer="smtp.qq.com";
StringpopServer="pop.qq.com";
StringSmtpAddress="[e-mail]";
StringPopAddresslist="[e-mail]";
StringSubject="这是一封测试邮件";
StringType="text/html";
StringmessageText="邮件的内容:hello,world";
String[]arrArchievList=newString[3];
arrArchievList[0]="c:\\1.JPG";
arrArchievList[1]="c:\\2.JPG";
arrArchievList[2]="c:\\3.jpg";
booleansessionDebug=false;
try
{
java.util.Propertiesprops=System.getProperties();
props.put("mail.smtp.host",smtpServer);//存储发送邮件服务器的信息
props.put("mail.smtp.auth","false");//同时通过验证
props.put("mail.transport.protocol","smtp");
SessionmailSession=Session.getInstance(props);//根据属性新建一个邮件会话
mailSession.setDebug(sessionDebug);
Messagemsg=newMimeMessage(mailSession);
//设定发件人的地址
msg.setFrom(newInternetAddress(SmtpAddress));
//设定收信人的地址
popAddressList=InternetAddress.parse(PopAddresslist,false);
msg.setRecipients(Message.RecipientType.TO,popAddressList);
//设定信中的主题
msg.setSubject(Subject);
//设定送信的时间
msg.setSentDate(newDate());
//是否以附件方式发送邮件
booleanbolSendByArchieve=false;
//如果有附件，先将由件内容部分存起来
if(arrArchievList!=null&&arrArchievList.length>0)
{
//1.保存内容
MimeMultipartmp=newMimeMultipart();
MimeBodyPartmailContentPart=newMimeBodyPart();
mailContentPart.setContent(messageText,Type+";charset=GBK");
msg.setContent(messageText,Type+";charset=GBK");
//这句很重要，千万不要忘了
mp.setSubType("related");
mp.addBodyPart(mailContentPart);
//2.保存多个附件
for(intindex=0;index{
Filefile=newFile(arrArchievList[index]);
MimeBodyPartmailArchieve=newMimeBodyPart();
FileDataSourcefds=newFileDataSource(arrArchievList[index]);
mailArchieve.setDataHandler(newDataHandler(fds));
mailArchieve.setFileName(MimeUtility.encodeText(fds.getName(),"GBK","B"));
mp.addBodyPart(mailArchieve);
}
//3.最后集成内容和附件，一起发送
msg.setContent(mp);
}
else
{
msg.setContent(messageText,Type+";charset=GBK");
}
//发送邮件
Transporttransport;
msg.saveChanges();//存储邮件信息
transport=mailSession.getTransport("smtp");
//以smtp方式登录邮箱username填写你的发送邮件的用户名如bluewens,userpwd填写你的密码,如获88888888，即transport.connect("smtp.163.com","bluewens","88888888");
transport.connect("smtp.qq.com","[e-mail]");
transport.sendMessage(msg,msg.getAllRecipients());//发送邮件,其中第二个参数是所有
//已设好的收件人地址
props.put("pop.qq.com","false");
transport.close();
System.out.println("邮件已发送成功!");
}
catch(Exceptionex)
{
ex.printStackTrace();
}
}