会javamail高手~~~~~~求救啊

Question

javax.mail.MessagingException: Unable to load BODYSTRUCTURE
at com.sun.mail.imap.IMAPMessage.loadBODYSTRUCTURE(IMAPMessage.java:1244)
at com.sun.mail.imap.IMAPMessage.getDataHandler(IMAPMessage.java:587)
at javax.mail.internet.MimeMessage.getContent(MimeMessage.java:1380)
at com.email.PMessage.<init>(PMessage.java:58)
at com.struts.action.email.ManagerEmailAction.listonefolder(ManagerEmailAction.java:117)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  nested exception is:
java.net.SocketException: Connection reset
at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:1462)
at com.sun.mail.smtp.SMTPTransport.close(SMTPTransport.java:645)
at javax.mail.Transport.send0(Transport.java:171)

Answer 1

import java.util.Properties;import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;public class JavaMailDemo {    public static void main(String[] args) {
            String host = "smtp.qq.com";
            String from = "[email protected]";
            String to = "[email protected]";
            String user = "[email protected]";
            String pwd = "";            // Get system properties
            Properties props = System.getProperties();
            
            // Setup mail server
            props.put("mail.smtp.auth", "true");
            props.put("mail.smtp.host", host);
            
            try {
                // Get session
                Session session = Session.getDefaultInstance(props, 
                        new JavaMailDemo().new MyAuthenticator(user, pwd));
    
                //session.setDebug(true);
    
                // Define message
                Message message = new MimeMessage(session);
    
                // Set the from address
                message.setFrom(new InternetAddress(from));
    
                // Set the to address
                message.addRecipient(RecipientType.TO, new InternetAddress(to));
    
                // Set the subject
                message.setSubject("test for java mail");
                
                // Set the content
                message.setText("JavaMail");
    
                // Send message
                Transport.send(message);
    //            Transport transport = session.getTransport("smtp");
    //            transport.connect(host, user, pwd);
    //            transport.sendMessage(message, message.getAllRecipients());
    //            transport.close();
            }
            catch (Exception e) {
                System.err.println("error: " + e.getMessage());
            }
            
            System.err.println("Sending mail successful!!!");
    }
    
    class MyAuthenticator extends Authenticator {
        public MyAuthenticator(String user, String pwd) {
            this.user = user;
            this.pwd = pwd;
        }
        
        protected PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(user, pwd);
        }
        
        private String user;
        private String pwd;
    }
}

Answer 2

给个发邮件的例子，供参考，http://mybeautiful.iteye.com/blog/746812