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email sendind failed (SendFailedException: 550 5.7.1 Unable to relay )

Posts: 2
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Execptions help to resove)
Sending failed; nested exception is: javax.mail.SendFailedException: Invalid Addresses; nested exception is: javax.mail.SendFailedException: 550 5.7.1 Unable to relay for
my codes
package fraternity.Mails;

import java.util.*;
import javax.activation.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.naming.*;
public class Mails

public String msgsend()

InitialContext ic = new InitialContext();
Session session = (Session) ic.lookup("MyMail1");
Properties props = new Properties();
props.put("mail.transport.protocol", "smtp");
props.put("", "localhost");
Session session2 = session.getInstance(props);
Message msg = new MimeMessage(session2);
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(""));
msg.setSentDate(new Date());
MimeBodyPart mbp = new MimeBodyPart();
mbp.setText("Testing Java Mail");
Multipart mp = new MimeMultipart();

catch(Exception es)
return es.getMessage();
return " No error"+"message successfully send..!";
sivasm,(gobi arts)
Posts: 21999
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"siva sm",

Please read your private messages regarding an important announcement.

Thank you,

this llama doesn't want your drama, he just wants this tiny ad for his mama
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
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