An email verifier can reduce email bounce rates in email marketing. You can use it to check the validity of email addresses before sending emails. It helps identify invalid or risky emails on your list. You should verify email addresses regularly to maintain a clean list. You can remove hard bounces and reduce the chances of damaging your sender reputation. Verifying emails improves your email deliverability and ensures you reach your target audience. You must also verify emails during the sign-up process to prevent future issues. Using an email verifier is an effective way to reduce bounce rates and increase campaign success.