<?php

QEmailServer::$SmtpServer = SMTP_SERVER;
QEmailServer::$SmtpPort = SMTP_PORT;
QEmailServer::$SmtpUsername = SMTP_USERNAME;
QEmailServer::$SmtpPassword = SMTP_PASSWORD;
QEmailServer::$AuthLogin = true;
$objEmailQueue = EmailQueue::QueryArray(QQ::IsNull(QQN::EmailQueue()->ErrorFlag), QQ::Clause(QQ::LimitInfo(50)));
foreach ($objEmailQueue as $objEmail) {
    $objEmail->Send();
}