邮件实例（高手必读）
 看看我从老外那骗到的
vishal_donth gave this response on 10/18/2000:
//these are the pakages to be imported from
// Java Mail
//The Java Mail PAckage either be dowloaded
//seperately
//or else is Available in the J2sdkee1.2
// (Java Enterprise Edition)

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;


//This function can be used to send the mail
// with the parameters given to it
//U have to specify the smtp server through
//which u have to send the mail
//since i was trying with a homenetmail
//account i directly sent the mail its server
//For sending this mail u need a mail server
//which lets u to relay the messages
//Try this thing for sending to a
//www.homenetmail.com account because it lets
//u send
//mails to the accounts like example try
//sending it to a "[email protected]"
//account.Create the mail account in homenet
//mail first. If u get any other server which
//supports relaying u can try this on that
//also.

//Use this function in ur Servlet to send
//mail by calling the function with the
//parameters

public void sendMail(String toAddr, String subject, String body, String fromAddr)throws RemoteException{
try{
Properties props = new Properties();
props.put("mail.smtp.host","mail.homenetmail.com");
//Here we specify the SMTP server through
//which the mail should be delivered
Session session = Session.getDefaultInstance(props, null);
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(fromAddr));
//Specify the From Address
InternetAddress[] tos =InternetAddress.parse(toAddr);
//Specify the To Address
msg.setRecipients(Message.RecipientType.TO,tos);
msg.setSubject(subject);
//Specify the Subject
msg.setText(body);
//Specify the Body
Transport.send(msg);
System.out.println("Message is Sent");
}
catch(Exception e){
System.out.println(e);
}
}

// U have to run this function on a computer
//which is directly connected
// to internet but not through a
//proxy......or else use a proxy which
//supports SMTP