The option to test your mail filters created in cPanel does not work properly and shows this error:
This is a known issue with the Filter Test functionality that can be safely ignored. The best way to test a filter is to send a proper email that would match the filter's criteria.
cPanel is easy to work with when you have the right host to support you. If you need a reliable partner to help you manage your website with cPanel, check out our cPanel hosting services!