Here are some steps to normalize your email marketing data:
Standardize Formats: Ensure that names, addresses, and other fields follow a consistent format. For example, use a standard date format (DD/MM/YYYY) across all records. Remove Duplicates: Use tools to identify and remove duplicate entries from your email list. Validate Data: Regularly check for and correct invalid email addresses, ensuring all data is accurate and up-to-date. Segmentation: Group your audience based on normalized data to create targeted email campaigns. Use Reliable Sources: Collect data from credible sources to ensure its quality and reliability.