- Set-up a local environment in order to test and run the PHP script.
- Once you've run the script, each time you open the email in your browser your IP address will be logged on the log.txt file.
- When you're satisfied with the script, you can host the script on the server. However don't forget to change the local path of the tracking pixel to the actual URL.
- When properly set-up each time a person opens the email, his IP-address should be logged on the log.txt file.
<img src="tracker.php?image=tracking.gif" alt=""><img src="http://yourpath/tracker.php?image=tracking.gif" alt="">- You can use geo-location services like http://ip-api.com/docs/ to return the actual location of the IP-address.
- Additionally you could use the MAPBOX API to visualize the locations on a map.