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I'm trying to use an image to fire a PHP script to record IP address of the email recipient.

I referred to this but no proxy is detected.

How do I overcome this challenge by Hotmail?

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ericn
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    If you are trying to obtain the IP address of the reader of the email this should not work. As I understand the Hotmail servers fetch the image back end and then present it to the user if it's safe. The user in no way should be loading remote images. – William Isted Nov 15 '12 at 09:32
  • Now that's interesting, thanks for sharing! Can you make this an answer so that I can accept it? – ericn Nov 15 '12 at 09:35
  • I wonder why I got a vote down here though, how did I deserve it? – ericn Nov 15 '12 at 09:36
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    It's probably frowned upon to try to get a user IP from an email, but this is a valid question. So consider it up voted to. – William Isted Nov 15 '12 at 09:39

1 Answers1

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If you are trying to obtain the IP address of the reader of the email this should not work. As I understand the Hotmail servers fetch the image back end and then present it to the user if it's safe. The user in no way should be loading remote images.

Note the URI of the image in the email, for example:

https://blu002.mail.live.com/Handlers/ImageProxy.mvc?bicild=&canary=QS3sf5XTfvb0EhoYPqKqj%sdgsdgg%2bk7%2fUeHzTVkYo31k%3d0&url=http%3a%2f%2fo2.mypubliceye.com%2fextranet%2fclient%2f35%2fimages%2fo2-masthead.jpg

If the email reader is using a client for Hotmail, like from a phone or Thunderbird then this may be an option. But is probably frowned upon for obvious reasons.

William Isted
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