(Delphi DLL) SMTP Connect and Authenticate

Demonstrates how to connect and then authenticate with an SMTP server.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX 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
mailman: HCkMailMan;
success: Boolean;

begin
// 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!');

Memo1.Lines.Add(CkMailMan__smtpSessionLog(mailman));

// Sample session log:

// 220 smtp.us-west-2.mail.awsapps.com ESMTP Amazon WorkMail SMTP Service
// EHLO SLICE<CRLF>
// 250-smtp.us-west-2.mail.awsapps.com
// 250-8BITMIME
// 250-AUTH PLAIN LOGIN
// 250 Ok
// AUTH LOGIN<CRLF>
// 334 VXNlcm5hbWU6
// am9obkBleGFtcGxlLmNvbQ==<CRLF>
// 334 UGFzc3dvcmQ6
// {PasswordOrCredentials}
// 235 Authentication successful.

CkMailMan_Dispose(mailman);

end;