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java program for sending mail
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Posted By:   Ghanim_Ashraf
Posted On:   Wednesday, July 30, 2003 02:24 AM

how can i send an email using a Java program. If you send me some sample code i'll be much grateful.

Re: java program for sending mail

Posted By:   karan_pokhriyal  
Posted On:   Thursday, July 31, 2003 02:32 PM


i got this from the net try this

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.net.*;
import java.io.*;
import javax.swing.*;

public class MailTest
{ public static void main(String[] args)
{ JFrame frame = new MailTestFrame();
frame.show();
}
}

class MailTestFrame extends JFrame implements ActionListener
{

public MailTestFrame()
{
setTitle("MailTest");
setSize(300, 300);
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{ System.exit(0);
}
}
);

getContentPane().setLayout(new GridBagLayout());

GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.weightx = 0;
gbc.weighty = 0;

gbc.weightx = 0;
add(new JLabel("From:"), gbc, 0, 0, 1, 1);
gbc.weightx = 100;
from = new JTextField(20);
add(from, gbc, 1, 0, 1, 1);

gbc.weightx = 0;
add(new JLabel("To:"), gbc, 0, 1, 1, 1);
gbc.weightx = 100;
to = new JTextField(20);
add(to, gbc, 1, 1, 1, 1);

gbc.weightx = 0;
add(new JLabel("SMTP server:"), gbc, 0, 2, 1, 1);
gbc.weightx = 100;
smtpServer = new JTextField(20);
add(smtpServer, gbc, 1, 2, 1, 1);

gbc.fill = GridBagConstraints.BOTH;
gbc.weighty = 100;
message = new JTextArea();
add(new JScrollPane(message), gbc, 0, 3, 2, 1);

response = new JTextArea();
add(new JScrollPane(response), gbc, 0, 4, 2, 1);

gbc.weighty = 0;
JButton sendButton = new JButton("Send");
sendButton.addActionListener(this);
JPanel buttonPanel = new JPanel();
buttonPanel.add(sendButton);
add(buttonPanel, gbc, 0, 5, 2, 1);
}

private void add(Component c, GridBagConstraints gbc,int x, int y, int w, int h)
{
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = w;
gbc.gridheight = h;
getContentPane().add(c, gbc);
}

public void actionPerformed(ActionEvent evt)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{ sendMail();
}
}
);
}

public void sendMail()
{

try
{

Socket s = new Socket(smtpServer.getText(), 25);

out = new PrintWriter(s.getOutputStream());
in = new BufferedReader(new
InputStreamReader(s.getInputStream()));

String hostName = InetAddress.getLocalHost().getHostName();

send(null);
send("HELO " + hostName);
send("MAIL FROM: " + from.getText());
send("RCPT TO: " + to.getText());
send("DATA");
out.println(message.getText());
send(".");
s.close();
}
catch (IOException exception)
{ response.append("Error: " + exception);
}
}

public void send(String s) throws IOException
{ if (s != null)
{ response.append(s + "
");
out.println(s);
out.flush();
}
String line;
if ((line = in.readLine()) != null)
response.append(line + "
");
}

private BufferedReader in;
private PrintWriter out;
private JTextField from;
private JTextField to;
private JTextField smtpServer;
private JTextArea message;
private JTextArea response;
}


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