diff --git a/app/notifiers/base_notifier.rb b/app/notifiers/base_notifier.rb
index e75a505c7..a9224a5df 100644
--- a/app/notifiers/base_notifier.rb
+++ b/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
diff --git a/config/app_config.rb b/config/app_config.rb
index bc102217b..60d25245a 100644
--- a/config/app_config.rb
+++ b/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
diff --git a/docs/environment-variables.md b/docs/environment-variables.md
index 083f1de5d..f65f00164 100644
--- a/docs/environment-variables.md
+++ b/docs/environment-variables.md
@@ -21,6 +21,7 @@ PROMO_CODE
 SEND_SMS_NOTIFICATIONS
 APP_HOST
 VALIDATE_SWEDISH_SSN
+GLOBALLY_IGNORED_NOTIFICATIONS
 ```
 
 ## Application config