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POcom.sun.mail.smtp.SMTPSendFailedException: 530-5.5.1 Authentication Required
 

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  1. POcom.sun.mail.smtp.SMTPSendFailedException: 530-5.5.1 Authentication Required
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    <p>I am trying to send an Email from my Java Application to any particular email address. I am using Java Mail API but Unfortunately i am getting SMTPSendFailedException error. Can any body tell me where i am doing a mistake. Here is my code</p> <pre><code>import java.util.*; import javax.mail.*; import javax.mail.internet.*; import javax.activation.*; //import SeconMail.Authenticator; public class SendMail { public static void main(String [] args) { // Recipient's email ID needs to be mentioned. String to = "to@gmail.com"; // Sender's email ID needs to be mentioned String from = "from@expertflow.com"; // Assuming you are sending email from localhost String host = "smtp.gmail.com"; // Get system properties Properties properties = System.getProperties(); // Setup mail server properties.setProperty("mail.smtp.host", host); properties.put("mail.smtp.starttls.enable", "true"); properties.put("mail.smtp.auth", "false"); // Get the default Session object. Session session = Session.getDefaultInstance(properties); session.setDebug(true); 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>
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    1. USMalik
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    1. COTry `properties.put("mail.smtp.auth", "true");` and you'll probably need username and password too.
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      1. POcom.sun.mail.smtp.SMTPSendFailedException: 530-5.5.1 Authentication Required
      1. USElliott Frisch
    2. COThanks for your reply Elliott , how can i specify username and password? Would you please tell me.
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      1. USMalik
    3. COHey Malik,is your problem solved?
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      1. POcom.sun.mail.smtp.SMTPSendFailedException: 530-5.5.1 Authentication Required
      1. USSanjay Nagare
 

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