Java

SMTP Connect and Authenticate

Demonstrates how to connect and then authenticate with an SMTP server. Java

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[])
  {
    boolean success = false;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkMailMan mailman = new CkMailMan();

    mailman.put_SmtpHost("smtp.mail.us-west-2.awsapps.com");
    mailman.put_SmtpSsl(true);
    mailman.put_SmtpPort(465);

    success = mailman.SmtpConnect();
    if (success == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    mailman.put_SmtpUsername("john@example.com");
    mailman.put_SmtpPassword("the_password");

    success = mailman.SmtpAuthenticate();
    if (success == false) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    System.out.println("Authenticated!");

    System.out.println(mailman.smtpSessionLog());

    //  Sample session log:

    //  220 smtp.us-west-2.mail.awsapps.com ESMTP Amazon WorkMail SMTP Service
    //  EHLO SLICE<CRLF>
    //  250-smtp.us-west-2.mail.awsapps.com
    //  250-8BITMIME
    //  250-AUTH PLAIN LOGIN
    //  250 Ok
    //  AUTH LOGIN<CRLF>
    //  334 VXNlcm5hbWU6
    //  am9obkBleGFtcGxlLmNvbQ==<CRLF>
    //  334 UGFzc3dvcmQ6
    //  {PasswordOrCredentials}
    //  235 Authentication successful.
  }
}