<?php

define("STOP_STATISTICS", true);
require_once $_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/prolog_before.php";
header('Content-Type: image/gif');
echo base64_decode("R0lGODdhAQABAIAAAPxqbAAAACwAAAAAAQABAAACAkQBADs=");
$tag = $_GET['tag'];
$arTag = \Bitrix\Main\Mail\Tracking::parseTag($_GET['tag']);
$arTag['FIELDS']['IP'] = $_SERVER['REMOTE_ADDR'];
\Bitrix\Main\Mail\Tracking::read($arTag);
require_once $_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/epilog_after.php";