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Java

GMail SMTP port 587 with "less secure" Password Authentication

See more SMTP Examples

Send email using GMail's SMTP server on port 587 (SSL via STARTTLS).

Chilkat Java Downloads

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

    CkMailMan mailman = new CkMailMan();

    // Use the GMail SMTP server
    // This example assumes your GMail account allows for "less secure apps" to use 
    // SMTP username/password authentication.
    // For OAuth2 authentication, see GMail SMTP with OAuth2 Authentication
    mailman.put_SmtpHost("smtp.gmail.com");
    mailman.put_SmtpPort(587);
    mailman.put_StartTLS(true);

    // Set the SMTP login/password.
    mailman.put_SmtpUsername("chilkat.support");
    mailman.put_SmtpPassword("myPassword");

    // Create a new email object
    CkEmail email = new CkEmail();

    email.put_Subject("This is a test");
    email.put_Body("This is a test");
    email.put_From("Chilkat Support <chilkat.support@gmail.com>");
    email.AddTo("Chilkat","support@chilkatsoft.com");

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

    System.out.println("Email sent.");
  }
}