In email marketing, the types of data that can be extracted include:
1. Open Rates: Measure how many recipients open your emails. 2. Click-Through Rates (CTR): Track the number of clicks on links within the email. 3. Bounce Rates: Identify emails that could not be delivered. 4. Engagement Metrics: Assess how recipients interact with your content. 5. Customer Feedback: Collect responses and feedback from surveys and forms.