I have a CMS program that is written in VB6 that manages member databases for clubs etc.
Given the prevalence for Email trackers ie. Respond when someone opens your email or clicks on a link. I was looking to build this type of tracking into my app. This is not a SPAM program as batch emails are sent to only members in DB who are opted in for such contact.
I am happy to build this in either VB6 or Interop with C#.
Any ideas where I start with this, haven't found anything handy online.