Delphi DLL

SMTP Send Raw Command

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
mailman: HCkMailMan;
responseStr: PWideChar;

begin
success := False;

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

mailman := CkMailMan_Create();

CkMailMan_putSmtpHost(mailman,'smtp.mail.us-west-2.awsapps.com');
CkMailMan_putSmtpSsl(mailman,True);
CkMailMan_putSmtpPort(mailman,465);

success := CkMailMan_SmtpConnect(mailman);
if (success = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

CkMailMan_putSmtpUsername(mailman,'john@example.com');
CkMailMan_putSmtpPassword(mailman,'the_password');

success := CkMailMan_SmtpAuthenticate(mailman);
if (success = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    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 := CkMailMan__smtpSendRawCommand(mailman,'EHLO client.example.com','utf-8',False);
if (CkMailMan_getLastMethodSuccess(mailman) = False) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    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

CkMailMan_Dispose(mailman);

end;