Measuring the success of your email marketing campaigns involves tracking key metrics such as: - Open Rate: The percentage of recipients who open your email. - Click-Through Rate (CTR): The percentage of recipients who click on a link within your email. - Conversion Rate: The percentage of recipients who complete the desired action. - Bounce Rate: The percentage of emails that were not delivered successfully. - Unsubscribe Rate: The percentage of recipients who opt out of your email list.