javamail error while authenticating to SMTP server

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ameyas7 - 26 Aug 2007 07:06 GMT

hi all,

i wrote a simple program as follows.
i am trying to send mail through SMTP server.
i have set the following property to true
props.put("mail.smtp.auth", "true");

            Transport transport = session.getTransport("smtp");
            transport.connect("localhost", "root@localhost.com", "");
            transport.sendMessage(message,addr);
            transport.close();

javax.mail.AuthenticationFailedException
at javax.mail.Service.connect(Service.java:264)
at javax.mail.Service.connect(Service.java:134)
at sendmail.EMailHandler.send(EMailHandler.java:53)
at sendmail.demo.SendMailDemo.main(SendMailDemo.java:11)

i am not sure which username and password we need to provide while
connecting to the server.

i have installed hMailServer i tried using Administrator password for
server but did not work.
i tried using the from mail a/c user name , password but no luck.

can someone tell me what am i missing here ? which username , password
do we need to give. do we need any specific setting on smtp server ?
any example ?

On setting DEBUG true i get the following trace from the SMTP server.

DEBUG: setDebug: JavaMail version 1.3.2
DEBUG: getProvider() returning
javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun
Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "localhost", port 25, isSSL
false
220 USER-E1B9B7EDB6 ESMTP
DEBUG SMTP: connected to host "localhost", port: 25

EHLO user-e1b9b7edb6
250-hmailserver
250-SIZE
250 AUTH LOGIN PLAIN
DEBUG SMTP: Found extension "SIZE", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN"
DEBUG SMTP: Attempt to authenticate
AUTH LOGIN
334 VXNlcm5hbWU6
cm9vdEBsb2NhbGhvc3QuY29t
334 UGFzc3dvcmQ6

535 Authentication failed. Restarting authentication process.
javax.mail.AuthenticationFailedException
at javax.mail.Service.connect(Service.java:264)
at javax.mail.Service.connect(Service.java:134)
at sendmail.EMailHandler.send(EMailHandler.java:54)
at sendmail.demo.SendMailDemo.main(SendMailDemo.java:11)

thanks
amey

Reply to this Message

Amit Jain - 26 Aug 2007 08:50 GMT

import java.util.*;

import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

public class MailClient{

    static String SMTP_SERVER="smtp.gmail.com";
    static String FROM_USER="from_user@gmail.com";
    static String SMTP_USER_NAME="smtp_user_name@gmail.com";
    static String SMTP_USER_PASSWD="smtp_user_passwd";
    static String SMTP_PORT="465";

    public void sendMailTo(Properties props,String from, String to,
String subject, String messageText){
     try{
         //boolean sessionDebug = false;
         boolean sessionDebug = true;
         String mailer = "VisitIndia";

         Authenticator auth = new SMTPAuthenticator();
Session session = Session.getDefaultInstance(props, auth);
         session.setDebug(true);

         try {
             Message msg = new MimeMessage(session);
             msg.setFrom(new InternetAddress(from));

             InternetAddress[] addressTo = new InternetAddress[2];
             addressTo[0] = new InternetAddress(to);
             addressTo[1] = new
InternetAddress("visitindiaportal@gmail.com");

             msg.setRecipients(Message.RecipientType.TO, addressTo);

             //
msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to,
false));
             msg.setSubject(subject);
             msg.setHeader("X-Mailer", mailer);
             msg.setSentDate(new Date());
             msg.setContent(messageText, "text/html");
             Transport.send(msg);
             System.out.println("\nMail was sent successfully.");
         }catch (SendFailedException mssEx) {
         System.out.print("SendFailedException:-> "+mssEx);
         System.out.print("message "+mssEx.getLocalizedMessage());
         System.out.print("invalid address:->
"+mssEx.getInvalidAddresses());
         System.out.print("valid add:->
"+mssEx.getValidSentAddresses());
         System.out.print("unsent add:->
"+mssEx.getValidUnsentAddresses());
        }catch (MessagingException mex) {
         mex.printStackTrace();
        }
     }catch(Exception e){

         // Handle any exceptions, print error message.
         //System.err.println(e);
     }
    }

    public static void main(String str[]){

     // set property for gmail smtp
     Properties props = System.getProperties();
        props.put("mail.smtp.host",SMTP_SERVER);
     props.put("mail.smtp.auth", "true");
     props.put("mail.smtp.starttls.enable", "true");
     //props.put("mail.smtp.starttls.enable", true);
     props.put("mail.smtp.port", SMTP_PORT);
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
     new
MailClient().sendMailTo(props,FROM_USER,"to@gmail.com","Explore","message");
     }
     private class SMTPAuthenticator extends javax.mail.Authenticator
    {

     public PasswordAuthentication getPasswordAuthentication()
     {
     String username = SMTP_USER_NAME;
     String password = SMTP_USER_PASSWD;
     return new PasswordAuthentication(username, password);
     }
    }
}

Reply to this Message

Roedy Green - 26 Aug 2007 10:47 GMT

>i wrote a simple program as follows.
>i am trying to send mail through SMTP server.
[quoted text clipped - 5 lines]
> transport.sendMessage(message,addr);
> transport.close();

you need something like this:

Properties props = System.getProperties();
if ( NEED_PASSWORD_TO_SEND )
{
props.setProperty( "mail.smtp.auth", "true" );
}
// Get a Session object
session = Session.getDefaultInstance( props, null );
session.setDebug( DEBUGGING );

Transport transport = session.getTransport( SEND_PROTOCOL );
transport.connect( SEND_HOST,
SEND_PORT,
SEND_LOGIN_ID,
SEND_PASSWORD );

There might also be a way to do it with an Authenticator.
See http://mindprod.com/jgloss/authentication.html

Signature

Roedy Green Canadian Mind Products
The Java Glossary
http://mindprod.com

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javamail error while authenticating to SMTP server

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