Pascal (Lazarus/Delphi)

SMTP NTLM Authentication

See more SMTP Examples

Demonstrates how to specify NTLM authentication for sending email via SMTP. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.MailMan,
  Chilkat.Email;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  mailman: TMailMan;
  useCurrentWindowsUser: Boolean;
  email: TEmail;

begin
  success := False;

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

  mailman := TMailMan.Create;

  //  Specify your particular mail server's SMTP settings.
  mailman.SmtpHost := 'smtp.my_mail_server.com';
  mailman.SmtpPort := 587;
  mailman.StartTLS := True;

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

  useCurrentWindowsUser := True;

  if (useCurrentWindowsUser = True) then
    begin
      //  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.SmtpUsername := 'default';
      mailman.SmtpPassword := 'default';
    end
  else
    begin
      //  Explicitly specify the SMTP username/password
      //  The SMTP username is your email account username, which is often your email address.
      mailman.SmtpUsername := 'your_smtp_username_or_email_address';
      mailman.SmtpPassword := 'your_password';
    end;

  email := TEmail.Create;

  email.Subject := 'This is a test';
  email.Body := 'This is a test';
  //  Don't forget to change this to use your email addresses..
  email.From := 'Chilkat Support <support@chilkatsoft.com>';
  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) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  success := mailman.CloseSmtpConnection();
  if (success <> True) then
    begin
      WriteLn('Connection to SMTP server not closed cleanly.');
    end;

  WriteLn('Mail Sent!');


  mailman.Free;
  email.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.