If you want to find out if a user has read your e-mail, adding a line of HTML code invoking a loaded image on your own web server.
Es <img src="http://www.yourhost.com/image.php">
When the user opens the email will load the image, the script will generate a file log.txt containing the following data:
* Date and Time
* IP
* Browser
Es <img src="http://www.yourhost.com/image.php">
When the user opens the email will load the image, the script will generate a file log.txt containing the following data:
* Date and Time
* IP
* Browser