Delphi ActiveX

SMTP Send Raw Command

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

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
mailman: TChilkatMailMan;
responseStr: WideString;

begin
success := 0;

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

mailman := TChilkatMailMan.Create(Self);

mailman.SmtpHost := 'smtp.mail.us-west-2.awsapps.com';
mailman.SmtpSsl := 1;
mailman.SmtpPort := 465;

success := mailman.SmtpConnect();
if (success = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

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

success := mailman.SmtpAuthenticate();
if (success = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('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',0);
if (mailman.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(responseStr);

// A sample response:

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