An unclean database can have several negative consequences:
High Bounce Rates: Sending emails to invalid addresses increases bounce rates, which can harm your sender reputation. Increased Spam Complaints: Irrelevant or unsolicited emails are more likely to be marked as spam. Poor Performance: Low open and click-through rates can result from sending emails to uninterested or incorrect recipients. Legal Issues: Non-compliance with data protection regulations can lead to legal repercussions and fines.