CSMTPServer::Start

function Start()
{
	global $CACHE_MANAGER;
	$CACHE_MANAGER->Clean("smtpd_stop");
	$CACHE_MANAGER->Clean("smtpd_reload");

	ini_set('max_execution_time', 0);
	set_time_limit(0);
	ob_implicit_flush(true);

	while(@ob_end_clean());

	$dbr = CMailBox::GetList(array(), array("ACTIVE"=>"Y", "SERVER_TYPE"=>"smtp"));
	while($arr = $dbr->Fetch())
	{
		$server = new CSMTPServerHost($this, $arr);
		$server->Start();
		$this->arServers[] = $server;
	}
}