Improved Deliverability: Ensuring only valid email addresses are included in your list helps improve deliverability rates. Cost Efficiency: Many email marketing platforms charge based on the number of emails sent. Removing invalid addresses can reduce costs. Better Analytics: With a clean email list, your analytics will be more accurate, allowing for better decision-making. Enhanced Sender Reputation: Consistently sending to valid addresses helps maintain a good sender reputation, reducing the chances of being marked as spam.