You prevent email bounces by maintaining a clean email list. You must remove invalid or outdated email addresses. Regularly verify email addresses to ensure accuracy. You should avoid sending emails to inactive or fake accounts. You must double-check for typos in email addresses. You need to engage with recipients who open your emails. Your email subject lines should be clear and relevant. You should not send large attachments that could cause issues. Using a reputable email service provider ensures better delivery. You must track bounce rates and act on them. Regular list hygiene helps reduce bounce rates and improve campaign performance.