import java.io.UnsupportedEncodingException;  
import java.util.Date;  
import java.util.Properties;  
import javax.mail.Address;  
import javax.mail.Message;  
import javax.mail.MessagingException;  
import javax.mail.Session;  
import javax.mail.Transport;  
import javax.mail.internet.AddressException;  
import javax.mail.internet.InternetAddress;  
import javax.mail.internet.MimeMessage;  
/** 
 *  邮件发送 
 */  
public class SendMail {  
  
 /** 
  * 不需要验证的邮件发送 
  * String fromMail 发件人地址 
  * String password 发件人密码  
  * String toMail 收件人地址 
  * String messageText 发送的消息 
  * String title 发送的标题 
  * String serviceName 使用的邮件服务器 
  * @throws Exception 
  */  
 public static void setMessage(String fromMail, String toMail,  
   String messageText, String serviceName) throws Exception {  
  Properties props = System.getProperties();  
  props.put("mail.smtp.host", serviceName); //设置smtp的服务器地址：该邮件服务器不需要身份验证   
  props.put("mail.smtp.auth", "false"); //设置smtp服务器要身份验证:缺省设置为false   
  
  Address from = new InternetAddress(fromMail);  
  Address to = new InternetAddress(toMail);  
  
  Session session = Session.getDefaultInstance(props, null);  
  Message message = new MimeMessage(session);  
  message.setFrom(from);  
  message.addRecipient(Message.RecipientType.TO, to);  
  message.setText(messageText);  
  
  Transport.send(message);  
    
    
  
 }  
   
  /** 
   * 带授权的发送邮件 
   * String fromMail 发件人地址 
   * String password 发件人密码  
   * String toMail 收件人地址 
   * String messageText 发送的消息 
   * String title 发送的标题 
   * String serviceName 使用的邮件服务器 
   * @throws Exception  
   */  
  public static void setMessageWithAuthentica(String fromMail,String password,String toMail,String messageText,String title,String serviceName) throws Exception{  
  Properties props = new Properties();  
  props.put("mail.smtp.host",serviceName);  //设置smtp的服务器地址是smtp.sohu.com   
  props.put("mail.transport.protocol", "smtp");  
  props.put("mail.smtp.auth","true");         //设置smtp服务器要身份验证。   
    
  String formMailName=fromMail.split("@")[0];  
  String toMailName=toMail.split("@")[0];  
     
  PopupAuthenticator auth = new PopupAuthenticator(formMailName,fromMail);   
  Session session = Session.getDefaultInstance(props,auth);  
     
  session.setDebug(true);  
  
  // 发送人地址   
  Transport transport = null;  
  try {  
   Address addressFrom = new InternetAddress(fromMail, formMailName);  
   // 收件人地址   
   Address[] addressTo =new Address[]{new InternetAddress(toMail, toMailName)};  
      
   // 抄送地址   
   // Address addressCopy = new InternetAddress("123@gmail.com", "George Bush");   
   Message message = new MimeMessage(session);  
   message.setText(messageText);  
   message.setSubject(title);  
   message.setFrom(addressFrom);  
   message.addRecipients(Message.RecipientType.TO,addressTo);  
   // message.addRecipient(Message.RecipientType.CC,addressCopy);   
   message.saveChanges();  
   // session.setDebug(true);   
   transport = session.getTransport("smtp");  //创建连接   
   transport.connect(serviceName, fromMail, password);//连接服务器   
   transport.sendMessage(message, addressTo); //发送信息   
   transport.close();   //关闭连接     
  } catch (Unsupported
                         请教普通类能跳到某个jsp页面吗