Maintaining data quality is essential for the success of email marketing campaigns. Here are some best practices:
1. Regular Cleaning: Periodically remove inactive or invalid email addresses to keep your list healthy. 2. Validation: Use double opt-in methods to verify email addresses and ensure they are valid. 3. Normalization: Standardize data formats to ensure consistency across the database. 4. Segmentation: Regularly update and refine your segmentation criteria to keep your lists accurate and relevant.