Disable email_to to avoid CKAN 2.11 startup crash

email_to triggers _setup_error_mail_handler which attaches a
ContextualFilter to the root logger. The filter accesses request.path,
but ckan.csrf_protection.ignore_extensions (default: true) logs a
warning during app init outside request context, crashing uWSGI.

Author: cooper667

deploy/base.ini

@@ -231,7 +231,10 @@ ckan.email_notifications_since = 2 days
 ckan.hide_activity_from_users = %(ckan.site_id)s
 
 ## Email settings
-email_to = support@fjelltopp.org
+# email_to triggers CKAN's error mail handler, which has a bug in 2.11
+# (ContextualFilter accesses request.path during startup log outside request context).
+# Uncomment when SMTP is configured and CKAN bug is fixed.
+# email_to = support@fjelltopp.org
 
 
 ## Background Job Settings