(Delphi ActiveX) GMail SMTP port 587 with "less secure" Password Authentication

Send email using GMail's SMTP server on port 587 (SSL via STARTTLS).

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
mailman: TChilkatMailMan;
success: Integer;
email: TChilkatEmail;

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

mailman := TChilkatMailMan.Create(Self);

// Use the GMail SMTP server
// This example assumes your GMail account allows for "less secure apps" to use 
// SMTP username/password authentication.
// For OAuth2 authentication, see GMail SMTP with OAuth2 Authentication
mailman.SmtpHost := 'smtp.gmail.com';
mailman.SmtpPort := 587;
mailman.StartTLS := 1;

// Set the SMTP login/password.
mailman.SmtpUsername := 'chilkat.support';
mailman.SmtpPassword := 'myPassword';

// Create a new email object
email := TChilkatEmail.Create(Self);

email.Subject := 'This is a test';
email.Body := 'This is a test';
email.From := 'Chilkat Support <chilkat.support@gmail.com>';
email.AddTo('Chilkat','support@chilkatsoft.com');

success := mailman.SendEmail(email.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(mailman.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Email sent.');
end;