一个发邮件的例子

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

public class sendMail
{
??? public static void main(String args[]) throws Exception
??? {

//??????? String host = "smtp.sina.com.cn";
??????? String host = "smtp.163.com";
??????? String from =? "test@163.com";
//发送的邮件
??????? String to = "gohands@163.com";
??????? String to2 = gohands@163.com;
??????? String username = "test";
??????? String password = "passwd";
??????? String fileAttachment = "G:\\Documents and Settings\\aaa\\My Documents\\My eBooks\\附件.txt";

??????? // Get system properties
??????? Properties props = new Properties();

??????? // Setup mail server
??????? props.put("mail.smtp.host", host);
??????? props.put("mail.smtp.auth", "true");?
??????? // Get session
??????? Session session = Session.getDefaultInstance(props);

??????? // watch the mail commands go by to the mail server
??????? session.setDebug(true);

??????? // Define message
??????? MimeMessage message = new MimeMessage(session);
??????? message.setFrom(new InternetAddress(from));
??????? message.addRecipient(Message.RecipientType.TO,
????????? new InternetAddress(to));
??????? message.addRecipient(Message.RecipientType.TO,
????????? new InternetAddress(to2));

??????? message.setSubject("标题");
??????? message.setText("正文");
//??????? message.setContentLanguage();
//??????? FileTypeMap
??????? FileDataSource fds=new FileDataSource(fileAttachment);
//
//
??????? message.setDataHandler(new DataHandler(fds));

//??????? message.setDataHandler(
//???????? new DataHandler(source));
??????? // Send message
??????? message.setSentDate(new Date());
??????? message.saveChanges();
??????? Transport transport = session.getTransport("smtp");
??????? transport.connect(host, username, password);
??????? transport.sendMessage(message, message.getAllRecipients());
??????? System.out.println("over");
??????? transport.close();
??? }
}

?