Dear all,
I am about to implement a user feedback page, by using the smtp server of my university.
When I try to send a form, an error message is received as below:
{color:#ff0000}Could not connect to SMTP host: smtp-auth.bris.ac.uk, port: 587
{color}
I tested with telnet this smtp address, along with the port number.
telnet smtp-auth.bris.ac.uk 587{code}
This works fine, I can connect to it. Besides, I configured an email client where I set up the right protocol TLS/STARTTLS, and I used my username/password. It is also working fine.
So, the problem might be with my embedded Java code in JSP.
First of all, I tested my web server to send a test email in JSP without SMTP authentication. This works fine.
But, I am not able to find out what is wrong/missing in my code below to send successfully messages with authentication.
Please have a look at it, and any recommendation is welcome!
{code}
import="java.util.*;*
*import="java.io.*;
import="javax.mail.*;*
*import="javax.event.*;
import="javax.mail.internet.*;*
*import="java.security.Security.*;
import="javax.activation.*;
Properties props = new Properties();
props.put("mail.smtp.host", "smtp-auth.bris.ac.uk");
props.put("mail.smtp.port","587");
props.put("mail.debug", "true");
props.put("mail.smtp.debug", "true");
props.put ("mail.smtp.starttls.enable", "true");
props.put("mail.transport.protocol", "smtp");
props.put("mail.smtp.socketFactory.port", "587");
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
java.security.Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
Authenticator auth = new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication("myUsername", "myPassword");
}
};
Session s = Session.getInstance(props,auth);
MimeMessage message = new MimeMessage(s);
InternetAddress from = new InternetAddress("myFriendAddress");
message.setFrom(from);
InternetAddress to = new InternetAddress("myAddress");
message.addRecipient(Message.RecipientType.TO, to);
message.setSubject("Test from JavaMail.");
message.setText("Hello from JavaMail!");
message.saveChanges();
Transport transport = s.getTransport("smtp");
transport.connect("smtp-auth.bris.ac.uk","myUsername","myPassword");
transport.sendMessage(message,message.getAllRecipients());
transport.close();
{code}
Thank you very much, in advance.
Norbert