title: Email tracking in Gmail using Image Tag?
body: <p>I am using a mail tracking using an image . On compose mail I am attaching a one url to the mail and when user open that mail then request send to my server and i am storing the value, but problem is 
  when i want to try to get the ip address and platform then it always return a google ip address because image src is change into the link and my api is call throw the gmail proxy server.</p>
  
  <p>HERE IS MY ORIGINAL URL:</p>
  
  <pre><code>&lt;img src="http://************************/api/v2/gmail/track/ViHIHeHbFkshUMhiT3S5loUH_K2_jJly/devider.jpg/localStorage.getItem('arcade_user')" alt="trackable" width="0" height="0" class="CToWUd"&gt;
  </code></pre>
  
  <p>HERE IS URL WHICH GMAIL CREATE:</p>
  
  <pre><code>&lt;img src="https://ci6.googleusercontent.com/proxy/Ly9DoZ8swM7fEWQ0b9BGmVR27LpW_zVYHhBe0MHmeqWr6UG_f7hFdAAp4bOQ1MqV0oyBKGfldxd-CidjfbvHgDT20SbXc05fedZAWSFEWWdR2PNWTtGfoYiRwoveqmbJ8h0fV2-JS0fYvgMMtJS0TCEGqrd_JaCKDAvHN-8NUeHXZ-M1OGPyg5lywmIW0hHqBksZAVM3J2EbvHoRVGE=s0-d-e1-ft#http://*********************/api/v2/gmail/track/ViHIHeHbFkshUMhiT3S5loUH_K2_jJly/devider.jpg/localStorage.getItem('arcade_user')" alt="trackable" width="0" height="0" class="CToWUd"&gt;
  </code></pre>
  
  <p>How could I get the actual user ip address ??</p>
  
  <p>I am using a <code>$_SERVER['REMOTE_ADDR']</code> for getting the ip address.</p>
  
  <p>Kindly help me as soon as possible, if you have any idea or comments on this.</p>
  
  <p>Thank you in advance.</p>