В Win10 зависает cmd окно и ошибка, а на Windows Server 2003 всё нормально

#include "stdafx.h"
 
#include "easendmailobj.tlh"
using namespace EASendMailObjLib;
 
int _tmain(int argc, _TCHAR* argv[])
{
    ::CoInitialize( NULL );
 
    IMailPtr oSmtp = NULL;
    oSmtp.CreateInstance( "EASendMailObj.Mail");
    oSmtp->LicenseCode = _T("TryIt");
 
    // Set your sender email address
    oSmtp->FromAddr = _T("ot@mail.ru");
 
    // Add recipient email address
    oSmtp->AddRecipientEx( _T("kuda@gmail.com"), 0 );
 
    // Set email subject
    oSmtp->Subject = _T("simple email from Visual C++ project");
 
    // Set email body
    oSmtp->BodyText = _T("this is a test email sent from Visual C++ project, do not reply");
 
    // Your SMTP server address
    oSmtp->ServerAddr = _T("smtp.mail.ru");
 
    // User and password for ESMTP authentication, if your server doesn't
    // require User authentication, please remove the following codes.
    oSmtp->UserName = _T("ot@mail.ru");
    oSmtp->Password = _T("pass");
 
    // Set 465 SMTP port
    oSmtp->ServerPort = 465;
 
    // Enable direct SSL connection
    oSmtp->SSL_starttls = 0;
    oSmtp->SSL_init();
 
    _tprintf(_T("STARTIK!!!  ...\r\n" ));
 
    if( oSmtp->SendMail() == 0 )
    {
        _tprintf( _T("URAAAA !!\r\n"));
    }
    else
    {
        _tprintf( _T("failed to send email with the following error: %s\r\n"),
            (const TCHAR*)oSmtp->GetLastErrDescription());
    }
 
    if( oSmtp != NULL )
        oSmtp.Release();
 
    return 0;
}