diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index 4266323..9779f1e 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -67,6 +67,7 @@ services:
     domain: "cloud.{{ base_domain }}"
     volume_folder: "{{ volume_root_folder }}/nextcloud"
     version: 25-apache
+    allowed_sender_domain: true
 
   gitea:
     file: gitea.yml
@@ -87,11 +88,12 @@ services:
     domain: "matrix.{{ base_domain }}"
     volume_folder: "{{ volume_root_folder }}/matrix"
     version: v1.63.1
+    allowed_sender_domain: true
 
   riot:
     domains:
-    - "riot.{{ base_domain }}"
-    - "element.{{ base_domain }}"
+      - "riot.{{ base_domain }}"
+      - "element.{{ base_domain }}"
     volume_folder: "{{ volume_root_folder }}/riot"
     version: v1.11.8