Change rack attack example.

config/initializers/rack_attack.rb.example

@@ -8,11 +8,19 @@ paths_to_be_protected = [
   "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session.json",
   "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session",
   "#{Rails.application.config.relative_url_root}/users",
-  "#{Rails.application.config.relative_url_root}/users/confirmation"
+  "#{Rails.application.config.relative_url_root}/users/confirmation",
+  "#{Rails.application.config.relative_url_root}/unsubscribes/*"
+
 ]
 
+paths_to_be_protected.map! { |path| Regexp.new(path) }
+
 unless Rails.env.test?
   Rack::Attack.throttle('protected paths', limit: 10, period: 60.seconds) do |req|
-    req.ip if paths_to_be_protected.include?(req.path) && req.post?
+    if req.post?
+      paths_paths_to_be_protected.each do |protected_path|
+        req.ip if req.path =~ protected_path
+      end
+    end
   end
 end