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# display installation instructions
puts <<INSTALL
USAGE INSTRUCTION
Put this in any controller that needs checking:
before_filter :dnsbl_check
Abuse is often limited to a few controllers in your application, e.g. the one
that receives comments. If you need checking in your entire application, put
the before_filter in your ApplicationController.
Restart your Rails application after you've made the above change(s).
INSTALL
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