Want to ensure that your platform will be free from Spam? Then SpamScan will be your beneficial plugin for you. The plugin will scan IP addresses listed on the server and will note down its RBL details. SpamScan also have an option to show RBL details to their respective cPanel users.
SpamScan analyzes the IP addresses used by your mail server to send out email messages and checks them against 18 major DNS Relay Blackhole Lists or “RBLs”. If your server is listed on an RBL list you may experience issues with emails becoming blocked, returned, or delayed.