1. In order to implement Google Analytics in an email created through the API, you will need to apply the Google Analytics data to your links manually within your code that generates the email. For more information, you can view the FAQ article that we have on this subject: https://knowledgebase.constantcontact.com/articles/KnowledgeBase/5991-using-google-analytics-with-an-email-campaign
2. You can find all of the tracked URLs in an email along with the URL ID by making a GET request for the individual campaign details. You can find more information about this endpoint here: http://developer.constantcontact.com/docs/email-campaigns/email-campaign-resource.html
3. The forward from email address automatically updates to be from the recipient who clicks on the Forward to a Friend link.
4. At this time, we intentionally keep this information hidden for easier compliance with the CAN-SPAM act and to stay consistent with our permission-based mailing rules, which would conflict with things such as offering rewards to subscribers for forwarding an email. If you are interested in getting more information about this, I would advise contacting our general support team by phone at (866)-289-2101/(781)-472-8120 (intl.).''
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