diff --git a/config/default/sync/system.mail.yml b/config/default/sync/system.mail.yml
index 60ed34d5aa11274cdac53719a9726ebcc8e2b7eb..5c7e6430c63e0456ed12b4118754765f03973844 100644
--- a/config/default/sync/system.mail.yml
+++ b/config/default/sync/system.mail.yml
@@ -1,4 +1,4 @@
 interface:
-  default: php_mail
+  default: SMTPMailSystem
 _core:
   default_config_hash: rYgt7uhPafP2ngaN_ZUPFuyI4KdE0zU868zLNSlzKoE
diff --git a/config/default/sync/update.settings.yml b/config/default/sync/update.settings.yml
index aca754fef51463fdae17fd1270cfee1a67b6cd13..0157562817f9a9a8ec1d2e5b2500e5f24dc790a6 100644
--- a/config/default/sync/update.settings.yml
+++ b/config/default/sync/update.settings.yml
@@ -6,8 +6,7 @@ fetch:
   max_attempts: 2
   timeout: 30
 notification:
-  emails:
-    - admin@example.com
+  emails: { }
   threshold: all
 _core:
   default_config_hash: 2QzULf0zovJQx3J06Y9rufzzfi-CY2CTTlEfJJh2Qyw