Email interceptor - staging

Gemfile

@@ -54,6 +54,7 @@ gem 'unicorn', '~> 5.4.1'
 gem 'whenever', '~> 0.10.0', require: false
 gem 'globalize', '~> 5.0.0'
 gem 'globalize-accessors', '~> 0.2.1'
+gem 'recipient_interceptor', '~> 0.2.0'
 
 source 'https://rails-assets.org' do
   gem 'rails-assets-leaflet'

Gemfile.lock

@@ -356,6 +356,8 @@ GEM
     rainbow (3.0.0)
     raindrops (0.19.0)
     rake (12.3.1)
+    recipient_interceptor (0.2.0)
+      mail
     redcarpet (3.4.0)
     referer-parser (0.3.0)
     request_store (1.3.2)
@@ -551,6 +553,7 @@ DEPENDENCIES
   rails (= 4.2.11)
   rails-assets-leaflet!
   rails-assets-markdown-it (~> 8.2.1)!
+  recipient_interceptor
   redcarpet (~> 3.4.0)
   responders (~> 2.4.0)
   rinku (~> 2.0.2)

config/environments/staging.rb

@@ -90,4 +90,6 @@ Rails.application.configure do
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
+
+  Mail.register_interceptor RecipientInterceptor.new(ENV['EMAIL_RECIPIENTS'])
 end