**************代码

*************错误日志

DEBUG: setDebug: JavaMail version 1.4ea
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth false
DEBUG SMTP: trying to connect to host "smtp.qq.com", port 25, isSSL false
220 smtp.qq.com Esmtp QQ Mail Server
DEBUG SMTP: connected to host "smtp.qq.com", port: 465

EHLO NQSKK7B2UGRHDQX
250-smtp.qq.com
250-PIPELINING
250-SIZE 73400320
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN
250-MAILCOMPRESS
250 8BITMIME
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "SIZE", arg "73400320"
DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN"
DEBUG SMTP: Found extension "AUTH=LOGIN", arg ""
DEBUG SMTP: Found extension "MAILCOMPRESS", arg ""
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: use8bit false
MAIL FROM:<534814066@qq.com>
503 Error: need EHLO and AUTH first !
com.sun.mail.smtp.SMTPSendFailedException: 503 Error: need EHLO and AUTH first !

	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)
	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)
	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)
	at javax.mail.Transport.send0(Transport.java:169)
	at javax.mail.Transport.send(Transport.java:98)
	at com.statistic1.pojo.Send1.main(Send1.java:85)
QUIT
221 Bye
com.sun.mail.smtp.SMTPSendFailedException: 503 Error: need EHLO and AUTH first !

	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)
	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)
	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)
	at javax.mail.Transport.send0(Transport.java:169)
	at javax.mail.Transport.send(Transport.java:98)
	at com.statistic1.pojo.Send1.main(Send1.java:85)

package com.statistic1.pojo;

import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Send1 {
	public Session getSession() {
		 Properties properties = System.getProperties();
		 properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
		 properties.setProperty("mail.stmp.host", "imap.exmail.qq.com"); 
		 properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
		 properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
		 properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
		 properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
		 Session session = Session.getDefaultInstance(properties);
		 session.setDebug(false);
		return session;
				
	}
	 public static void main(String [] args)
	   {   
	      // 收件人电子邮箱
	      String to = "534814066@qq.com";
	 
	      // 发件人电子邮箱
	      String from = "534814066@qq.com";
	 
	      // 指定发送邮件的主机为 localhost
	      String host = "localhost";
	 
	      // 获取系统属性
	      Properties properties = System.getProperties();
	 
	      // 设置邮件服务器
	      /*properties.setProperty("mail.imap.host", "imap.exmail.qq.com"); 
	      properties.setProperty("mail.imap.port", "993"); 
	      properties.setProperty("mail.imap.auth", "true");*/
	      
	      properties.put("mail.host", "smtp.qq.com"); 
	      properties.setProperty("mail.transport.protocol", "smtp");
	      properties.put("mail.smtp.socketFactory.port", "465");
	      properties.put("mail.smtp.starttls.enable", "true");
	      properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
	      properties.put("mail.port", "465"); 
	      properties.put("mail.auth", "true");
	      //pqckpczfendhcafh
	      //properties.setProperty("mail.user", "513224066@qq.com");
	      //properties.setProperty("mail.password", "pqaadckhcafhs");
	      // 获取默认session对象
	      Session session = Session.getDefaultInstance(properties);
	      try {
			Transport ts = session.getTransport();
			ts.connect("mx1.qq.com", "534814066@qq.com", "pqaadckhcafhs");
			session.setDebug(true);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	      //session.
	      try{
	         // 创建默认的 MimeMessage 对象
	         MimeMessage message = new MimeMessage(session);
	 
	         // Set From: 头部头字段
	         message.setFrom(new InternetAddress(from));
	 
	         // Set To: 头部头字段
	         message.addRecipient(Message.RecipientType.TO,
	                                  new InternetAddress(to));
	 
	         // Set Subject: 头部头字段
	         message.setSubject("This is the Subject Line!");
	 
	         // 设置消息体
	         message.setText("This is actual message");
	 
	         // 发送消息
	         Transport.send(message);
	         System.out.println("Sent message successfully....");
	      }catch (MessagingException mex) {
	         mex.printStackTrace();
	      }
	   }
}