BoxTrapper is an email monitoring, anti-spam, anti-virus and content filter software. BoxTrapper is a cPanel app that lets you control how your mail is handled in your web hosting account. To useBoxTrapper you must enable it on a cPanel interface – we'll show you how in this tutorial for cPanel. If you've never used BoxTrapper before, this guide will teach you how to enable BoxTrapper in cPanel. If you have used BoxTrapper and have forgotten the steps to enable it again, this article will help. The following tutorial will also walk you through enabling your BoxTrapper account for your new server.
BoxTrapper requires all email senders not on your Whitelist to respond to verification emails. It protects you from spam.
If you want to get rid of unwanted emails, enable Boxtrapper either on all emails or just selected emails and configure it.
1. Log in to your cPanel Account,
2. In the Email section, click on BoxTrapper.
3. On the BoxTrapper's page, you see a list of your emails under the Account heading and the status of BoxTrapper under the Status heading. Choose Manage. 
4. On the BoxTrapper's Manage page, if the status is Disabled , Choose Enable .
