diff --git a/roles/openshift-apps/openscanhub/templates/settings_local.py b/roles/openshift-apps/openscanhub/templates/settings_local.py
index 67d377ed8a..403f532819 100644
--- a/roles/openshift-apps/openscanhub/templates/settings_local.py
+++ b/roles/openshift-apps/openscanhub/templates/settings_local.py
@@ -125,9 +125,14 @@ UMB_TOPIC_PREFIX = 'topic://VirtualTopic.eng.OpenScanHub.scan'
 
 # E-mail address used in the From: field of notifications generated by OpenScanHub
 NOTIFICATION_EMAIL_ADDRESS = "openscanhub@lists.fedoraproject.org"
+
 # E-mail address where notifications about failed/cancelled tasks are sent
 DEVEL_EMAIL_ADDRESS = "no-reply@example.org"
 
+# Default e-mail domain name for sending notifications to the user.
+# It is used when `email` field in the user model is not set.
+DEFAULT_EMAIL_DOMAIN = "fedoraproject.org"
+
 URL_PREFIX = ""
 STATIC_URL = URL_PREFIX + '/static/'