Thread: Servlet problem

Hi
my servlet is not sending email but my java main class can send an email.
code for servlet
Please help.

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
 
 
        HttpSession session = request.getSession();   
        ServletContext context = getServletContext();      
 
 
        String username =(String)session.getAttribute("username");
        String rights = (String)session.getAttribute("rights");
        String password = (String)session.getAttribute("password");
 
        String userMail = (String)session.getAttribute("mail");
 
 
 
        String recipients[] = new String[1];
        recipients[0]= userMail;
 
        String from =(String)session.getAttribute("AdministratorMail");
 
        String message="Your user name : "+username+"\n Your password : "+password+"\n Your rights : "+rights;
 
        String subject="Account details";
 
 
            try 
            {
                postMail(recipients,subject ,message, from);
                context.getRequestDispatcher("/CreateAccountPage.jsp").forward(request, response);
 
            } 
            catch (MessagingException ex) 
            {
                Logger.getLogger(SendEmailServlet.class.getName()).log(Level.SEVERE, null, ex);
            }
 
 
        } finally {            
            out.close();
        }
    }
 
 
    public void postMail(String recipients[],String subject,String message,String from)throws MessagingException
    {        
        boolean debug = false;
        Properties prop = new Properties();
        prop.put("mail.smtp.host", "wabe.csir.co.za");
 
        Session sessions = Session.getDefaultInstance(prop);
        sessions.setDebug(debug);
 
        Message msg = new MimeMessage(sessions);
        InternetAddress addressFrom = new InternetAddress(from);
 
        msg.setFrom(addressFrom);
 
        InternetAddress addressTo[] = new InternetAddress[recipients.length];
 
        for(int x=0;x<addressTo.length;x++)
        {
            addressTo[x] = new InternetAddress(recipients[x]);
        }
 
        msg.setRecipients(Message.RecipientType.TO, addressTo);
 
        msg.setSubject(subject);
        msg.setContent(message,"text/plain");
 
        Transport.send(msg);        
 
    }    
    code for java main class
 
public class JavaApplication1 {
 
 
    public void postMail(String recipients[],String subject,String message,String from)throws MessagingException
    {
        boolean debug=false;
        Properties props = new Properties();
        props.put("mail.smtp.host", "wabe.csir.co.za");
 
        Session session = Session.getDefaultInstance(props, null);
        session.setDebug(debug);
 
        Message msg = new MimeMessage(session);
 
        InternetAddress addressFrom = new InternetAddress(from);
 
        msg.setFrom(addressFrom);
 
        InternetAddress [] addresTo = new InternetAddress[recipients.length];
 
        for(int i =0;i<recipients.length;i++)
        {
            addresTo[i]= new InternetAddress(recipients[i]);
        }
 
        msg.setRecipients(Message.RecipientType.TO, addresTo);
 
        msg.setSubject(subject);
        msg.setContent(message,"text/plain");
        Transport.send(msg);
 
    } 
 
    public static void main(String[] args) 
    {
        String recipients[] = new String[1];
        recipients[0]="marhubane@gmail.com";
 
        String username ="Vusi";
        String rights = "None";
        String password = "testf6876";
 
        String subject="Account details";
        String message="Your user name : "+username+"\n Your password : "+password+"\n Your rights : "+rights;
 
        String from ="VMasanabo@csir.co.za";
 
        JavaApplication1 application1 = new JavaApplication1();
        try {
            application1.postMail(recipients, subject, message, from);
        } catch (MessagingException ex) {
            Logger.getLogger(JavaApplication1.class.getName()).log(Level.SEVERE, null, ex);
        }       
 
    }
}