You should clean your email list before sending emails. A clean list ensures better delivery rates. Invalid emails can cause bounces. High bounce rates harm your sender reputation. Cleaning removes inactive or fake addresses. A clean list improves open rates. You can avoid spam complaints with valid recipients. Email verification tools help remove bad emails. A good list increases engagement and conversions. Your campaigns perform better with quality contacts. Cleaning saves time and resources. You avoid wasted efforts on invalid addresses. You also protect your IP reputation. Always prioritize a clean list for successful email campaigns.