Several metrics can help you gauge positive feedback:
1. Open Rate: The percentage of recipients who open your email. 2. Click-Through Rate (CTR): The percentage of recipients who click on at least one link in your email. 3. Conversion Rate: The percentage of recipients who take the desired action, such as making a purchase or filling out a form. 4. Forwarding/Sharing Rate: The percentage of recipients who forward your email or share it on social media. 5. Reply Rate: The number of direct responses you receive from your email campaign.