Data Segmentation: Segmenting your data allows you to target specific groups of subscribers with tailored content, improving engagement rates and reducing unsubscribe rates. Data Cleaning: Regularly clean your email list to remove inactive or invalid emails. This helps in maintaining a healthy sender reputation. Data Storage: Invest in reliable and scalable data storage solutions to handle large volumes of data efficiently. Compliance: Ensure that your data management practices comply with regulations like GDPR and CAN-SPAM.