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POError in Sending mail by Java
 

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    <p>My code is : </p> <pre><code>// File Name SendEmail.java import java.util.*; import javax.mail.*; import javax.mail.internet.*; import javax.activation.*; public class SendEmail { public static void main(String [] args) { // Recipient's email ID needs to be mentioned. String to = "toEmail@gmail.com"; // Sender's email ID needs to be mentioned String from = "fromEmail@gmail.com"; // Assuming you are sending email from localhost String host = "localhost"; // Get system properties Properties properties = System.getProperties(); // Setup mail server properties.setProperty("mail.smtp.host", host); // Get the default Session object. Session session = Session.getDefaultInstance(properties); try{ // Create a default MimeMessage object. MimeMessage message = new MimeMessage(session); // Set From: header field of the header. message.setFrom(new InternetAddress(from)); // Set To: header field of the header. message.addRecipient(Message.RecipientType.TO, new InternetAddress(to)); // Set Subject: header field message.setSubject("This is the Subject Line!"); // Now set the actual message message.setText("This is actual message"); // Send message Transport.send(message); System.out.println("Sent message successfully...."); }catch (MessagingException mex) { mex.printStackTrace(); } } } </code></pre> <p>My program was working correctly last night; I could send email from any address to any other, but now this error is occuring:</p> <pre><code>javax.mail.SendFailedException: Sending failed; nested exception is: class javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25; nested exception is: java.net.ConnectException: Connection refused at javax.mail.Transport.send0(Transport.java:218) at javax.mail.Transport.send(Transport.java:80) at SendEmail.main(SendEmail.java:49) </code></pre> <p>Line 49 is: </p> <pre><code>Transport.send(message); </code></pre> <p>Can anyone help me fix this error?</p> <p>My operating system is : Linux,Fedora 16 -kernel: 3.3.7</p>
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