RBL check cPanel plugin

Simple cPanel plugin that allows users to check any ip in over 100 RBL.

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TO DO

• Add links to check both server and remote IP
• add more rbl's
• ajax-ify
• add links to rbl explanation article
• allow users to add RBL
• create a cron to check status daily
• auto-check ip's from .lastlogin file
• send email alerts to users