邮件发送，暂时只测试了QQ邮箱

import java.util.Date;import java.util.Properties;import javax.mail.Address;import javax.mail.Authenticator;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.NoSuchProviderException;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;/** * 发送普通邮件，接受普通邮件 发送带有附件的邮件，接收带有附件的邮件 发送html形式的邮件，接受html形式的邮件 发送带有图片的邮件等做了一个总结。 */public class Test { static int port=25; static String server="smtp.qq.com"; static String from="****@qq.com"; static String user="****"; static String password="******";  public static void main(String[] args) { sendEmail("***@foxmail.com", "test", "test"); }  public static void sendEmail(String email,String subject,String body){  try{   Properties props=new Properties();      props.put("mail.smtp.host",server);   props.put("mail.smtp.port",String.valueOf(port));   props.put("mail.smtp.auth","true");//验证   Transport transport=null;   MyAuthenticator myauth = new MyAuthenticator(from, password);   Session session=Session.getDefaultInstance(props,myauth);   session.setDebug(true);   transport=session.getTransport("smtp");   transport.connect(server,user,password);   MimeMessage msg=new MimeMessage(session);   msg.setSentDate(new Date());   InternetAddress fromAddress=new InternetAddress(from);   msg.setFrom(fromAddress);   InternetAddress[] toAddress=new InternetAddress[1];   toAddress[0]=new InternetAddress(email);   msg.setRecipients(Message.RecipientType.TO,toAddress);   msg.setSubject(subject);   msg.setText(body);   msg.saveChanges();   transport.sendMessage(msg,msg.getAllRecipients());//System.out.print("ok");   //Transport.send(msg);  }catch(NoSuchProviderException e){   e.printStackTrace();  }catch(MessagingException e){   e.printStackTrace();  } }}class MyAuthenticator extends javax.mail.Authenticator { private String strUser; private String strPwd; public MyAuthenticator(String user, String password) {  this.strUser = user;  this.strPwd = password; } protected PasswordAuthentication getPasswordAuthentication() {  return new PasswordAuthentication(strUser, strPwd); }}

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