Globbally ignored notifications from ENV

app/notifiers/base_notifier.rb

@@ -1,7 +1,11 @@
 # frozen_string_literal: true
 class BaseNotifier
   def self.ignored?(user)
-    user.ignored_notification?(underscored_name)
+    user.ignored_notification?(underscored_name) || globally_ignored?(underscored_name)
+  end
+
+  def self.globally_ignored?(notification_name)
+    AppConfig.globally_ignored_notifications.include?(notification_name)
   end
 
   def self.underscored_name

config/app_config.rb

@@ -12,6 +12,13 @@ def self.default_mailer_url_host
 
   # Application settings
 
+  def self.globally_ignored_notifications
+    (env['GLOBALLY_IGNORED_NOTIFICATIONS'] || '').
+      split(',').
+      map { |name| name.strip.downcase }.
+      compact
+  end
+
   def self.managed_email_username
     env['MANAGED_EMAIL_USERNAME']
   end

docs/environment-variables.md

@@ -21,6 +21,7 @@ PROMO_CODE
 SEND_SMS_NOTIFICATIONS
 APP_HOST
 VALIDATE_SWEDISH_SSN
+GLOBALLY_IGNORED_NOTIFICATIONS
 ```
 
 ## Application config