Pascal (Lazarus/Delphi)

SMTP Send Raw Command

Demonstrates how to send a raw command to the SMTP server after the connecting and authenticating. 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;

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

procedure RunDemo;
var
  success: Boolean;
  mailman: TMailMan;
  responseStr: string;

begin
  success := False;

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

  mailman := TMailMan.Create;

  mailman.SmtpHost := 'smtp.mail.us-west-2.awsapps.com';
  mailman.SmtpSsl := True;
  mailman.SmtpPort := 465;

  success := mailman.SmtpConnect();
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  mailman.SmtpUsername := 'john@example.com';
  mailman.SmtpPassword := 'the_password';

  success := mailman.SmtpAuthenticate();
  if (success = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  WriteLn('Authenticated!');

  //  Send the "EHLO" command again to get the multi-line response that includes the SMTP capabilities.
  //  The capabilities are the lines in the response that begin with "250-".
  responseStr := mailman.SmtpSendRawCommand('EHLO client.example.com','utf-8',False);
  if (mailman.LastMethodSuccess = False) then
    begin
      WriteLn(mailman.LastErrorText);
      Exit;
    end;

  WriteLn(responseStr);

  //  A sample response:

  //  250-smtp.us-west-2.mail.awsapps.com
  //  250-8BITMIME
  //  250-AUTH PLAIN LOGIN
  //  250 Ok


  mailman.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.