(Delphi DLL) 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 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, Email;

...

procedure TForm1.Button1Click(Sender: TObject);
var
mailman: HCkMailMan;
success: Boolean;
email: HCkEmail;

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

mailman := CkMailMan_Create();

// 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
CkMailMan_putSmtpHost(mailman,'smtp.gmail.com');
CkMailMan_putSmtpPort(mailman,587);
CkMailMan_putStartTLS(mailman,True);

// Set the SMTP login/password.
CkMailMan_putSmtpUsername(mailman,'chilkat.support');
CkMailMan_putSmtpPassword(mailman,'myPassword');

// Create a new email object
email := CkEmail_Create();

CkEmail_putSubject(email,'This is a test');
CkEmail_putBody(email,'This is a test');
CkEmail_putFrom(email,'Chilkat Support <chilkat.support@gmail.com>');
CkEmail_AddTo(email,'Chilkat','support@chilkatsoft.com');

success := CkMailMan_SendEmail(mailman,email);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkMailMan__lastErrorText(mailman));
    Exit;
  end;

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

CkMailMan_Dispose(mailman);
CkEmail_Dispose(email);

end;