跟踪像素和Gmail代理的问题 [英] Problems with tracking pixels and Gmail proxy

问题描述

我正在尝试实现从wordpress发送的电子邮件的自定义跟踪像素。

感谢这些帖子：

使用PHP和图像跟踪电子邮件

跟踪电子邮件打开真实图像

，特别是

http://www.phpdevtips.com/2013/06/email-open-tracking-with-php-and-mysql/

我能够实现核心思想。

电子邮件通过
< img src =https://www.example.com/tracking加载跟踪像素。 php？order_id = 1width =100height =100/>

在tracking.php

  $ graphic_http ='https://www.example.com/GIF-example.gif'; 
 
 header（'Content-Type：image / gif'）; 
 readfile（$ graphic_http）; 
  

在浏览器中打开tracking.php文件打开gif图像进行下载。

但是，跟踪像素/跟踪图像不会显示在Gmail电子邮件中。只有一个破碎的图像标志，当我点击显示图像此链接打开

https://ci5.googleusercontent.com/proxy/ l2xUKFGnNFKm64zEYmJhOcUmEJm15w9MC1txRRF01tpKlcL3t3O16aMJgbYQkucBySV0xV2T0EsCwikOAC0Z4em6uPzSs38lkHrYBvosRRAk14EfPoEXqC5JdLxRm8ToZmGSQqt_RwHCaBE_3uLgQDVEB05Rdtkq-Xzuw30 = S0-D-E1-英尺＃HTTPS：？//www.example.com/tracking.php ORDER_ID = 1

其中规定谷歌的404：

谷歌404这是一个错误。

在请求的URL /代理/ l2xUKFGnNFKm64zEYmJhOcUmEJm15w9MC1txRRF01tpKlcL3t3O16aMJgbYQkucBySV0xV2T0EsCwikOAC0Z4em6uPzSs38lkHrYBvosRRAk14EfPoEXqC5JdLxRm8ToZmGSQqt_RwHCaBE_3uLgQDVEB05Rdtkq-Xzuw30。 = s0-d-e1-ft was在此服务器上找不到。我们知道的就这些。

Google的代理似乎无法读取php脚本的问题。 tracking.php和GIF-example.gif文件都有775个权限，并且可以公开访问。

在Hotmail上，这样做的确很有用， Google代理商。

有人知道如何让Google代理商访问此跟踪像素？

解决方案

我想出了答案：问题是与Google代理和问号？在 https://www.example.com/tracking.php?order_id=1

Google代理地址被弄乱了，因为它已经有一个问号，并导致了一个404.

我使用 https://www.example.com解决了/track.php/order_id=1 ，然后在tracking.php我没有使用 $ _ GET 但 $ _SERVER ['REQUEST_URI'] 并解析了 / order_id = String。

跟踪像素显示在Gmail中，并在tracking.php脚本中进行跟踪。

I am trying to implement a custom Tracking Pixel for Emails sent out from wordpress.

Thanks to these post:

Tracking email with PHP and image

Tracking email opens with a real image

and especially

http://www.phpdevtips.com/2013/06/email-open-tracking-with-php-and-mysql/

I was able to implement the core idea.

The email loads the tracking pixel via <img src="https://www.example.com/tracking.php?order_id=1" width="100" height="100" />

and in the tracking.php

$graphic_http =  'https://www.example.com/GIF-example.gif';

header('Content-Type: image/gif');
readfile( $graphic_http );

Opening the tracking.php file in a browser opens up the gif image for download.

However the Tracking pixel/Tracking image doesn't show up in the Gmail Email. There is only a broken image logo and when I click to show the image this link is opened

https://ci5.googleusercontent.com/proxy/l2xUKFGnNFKm64zEYmJhOcUmEJm15w9MC1txRRF01tpKlcL3t3O16aMJgbYQkucBySV0xV2T0EsCwikOAC0Z4em6uPzSs38lkHrYBvosRRAk14EfPoEXqC5JdLxRm8ToZmGSQqt_RwHCaBE_3uLgQDVEB05Rdtkq-Xzuw30=s0-d-e1-ft#https://www.example.com/tracking.php?order_id=1

which states a Google 404:

Google 404. That’s an error.

The requested URL /proxy/l2xUKFGnNFKm64zEYmJhOcUmEJm15w9MC1txRRF01tpKlcL3t3O16aMJgbYQkucBySV0xV2T0EsCwikOAC0Z4em6uPzSs38lkHrYBvosRRAk14EfPoEXqC5JdLxRm8ToZmGSQqt_RwHCaBE_3uLgQDVEB05Rdtkq-Xzuw30=s0-d-e1-ft was not found on this server. That’s all we know.

It seems to be a problem that Google's proxy cannot read the php script. Both the tracking.php and the GIF-example.gif files have 775 rights and are accesible publicly.

On Hotmail this does work so it really seems to be a problem with the Google Proxies.

Does anybody know how to let the Google Proxies access this Tracking pixel?

解决方案

I figured out the answer: The problem was with the Google Proxies and the question mark ? in https://www.example.com/tracking.php?order_id=1

The Google Proxies address got messed up because it already had a question mark and resulted in a 404.

I resolved it using https://www.example.com/tracking.php/order_id=1 instead and then on the tracking.php I didn't use $_GET but $_SERVER['REQUEST_URI'] and parsed the /order_id= String.

The tracking pixel shows up in Gmail and it gets tracked in the tracking.php script.

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