Send mail in javax.mail without authentication

Question

I am using javax.mail to send mails in Java. Now that a part of the concept of my project changed I have to send a mail without authentication. I will have to change my crea

Answer 1

private void createSession() {
  properties.put("mail.smtp.auth",false);
  properties.put("mail.smtp.starttls.enable","true");
  properties.put("mail.smtp.port","587");
  properties.put("mail.smtp.host","smtp.gmail.com");
  properties.put("mail.smtp.username","username(emailid")");
  properties.put("mail.smtp.password","password(mail password)");

  Session session=Session.getDefaultInstance(properties,null);

}