(Java) SMTP NTLM Authentication

See more SMTP Examples

Demonstrates how to specify NTLM authentication for sending email via SMTP.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkMailMan mailman = new CkMailMan();

    // Specify your particular mail server's SMTP settings.
    mailman.put_SmtpHost("smtp.my_mail_server.com");
    mailman.put_SmtpPort(587);
    mailman.put_StartTLS(true);

    // This assumes you know your SMTP server supports NTLM authentication.
    // To explicitly request NTLM authentication, set the SmtpAuthMethod property = "ntlm".
    mailman.put_SmtpAuthMethod("ntlm");

    // Note: Normally you should avoid setting the SmtpAuthMethod.
    // SMTP servers tell the connecting client the authentication methods it will accept when the initial connection is made.
    // Chilkat will automatically use this information to select and use the most secure auth method supported by the server.

    boolean useCurrentWindowsUser = true;

    if (useCurrentWindowsUser == true) {
        // If you are running on Windows, and you wish for the NTLM credentials of the current logged-on Windows user to be used,
        // set the username and password to the string "default"
        mailman.put_SmtpUsername("default");
        mailman.put_SmtpPassword("default");
        }
    else {
        // Explicitly specify the SMTP username/password
        // The SMTP username is your email account username, which is often your email address.
        mailman.put_SmtpUsername("your_smtp_username_or_email_address");
        mailman.put_SmtpPassword("your_password");
        }

    CkEmail email = new CkEmail();

    email.put_Subject("This is a test");
    email.put_Body("This is a test");
    // Don't forget to change this to use your email addresses..
    email.put_From("Chilkat Support <support@chilkatsoft.com>");
    boolean success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com");
    // To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

    success = mailman.SendEmail(email);
    if (success != true) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    success = mailman.CloseSmtpConnection();
    if (success != true) {
        System.out.println("Connection to SMTP server not closed cleanly.");
        }

    System.out.println("Mail Sent!");
  }
}