Improved Deliverability: Verifying email addresses ensures that marketing emails are sent to valid addresses, reducing the chances of bounces. Cost Efficiency: Removing invalid addresses from the email list can save costs associated with sending emails to non-existent recipients. Enhanced Sender Reputation: Regularly cleaning the email list can improve the sender's reputation, leading to better inbox placement. Accurate Analytics: A clean email list provides more accurate data for analyzing the performance of email campaigns.