We have tracking in our emails to track clicks back to our site through Google Analytics. But is there a way to track opens? I would imagine I have to add a google trackin
The reference that describes all of the parameters that the Google Analytics tracking GIF allows is here. Use it to build an tag in your email that references the GA GIF.
According to this post, the minimum required fields are:
&&&&3B%2B_utmz%3D%3B