diff --git a/tasks/nullmailer.yml b/tasks/nullmailer.yml
index 2a73047..721660d 100644
--- a/tasks/nullmailer.yml
+++ b/tasks/nullmailer.yml
@@ -17,6 +17,9 @@
   copy:
     dest: "{{ item.dest }}"
     content: "{{ item.content }}"
+    owner: root
+    group: root
+    mode: 0600
   with_items:
   - {"dest": "/etc/nullmailer/adminaddr",     content: "{{ mail.root }}"}
   - {"dest": "/etc/nullmailer/remotes",       content: "{{ mail.server }}"}
diff --git a/tasks/ssmtp.yml b/tasks/ssmtp.yml
index b8aba75..8b841ae 100644
--- a/tasks/ssmtp.yml
+++ b/tasks/ssmtp.yml
@@ -6,3 +6,4 @@
   template:
     src: smtp.conf.j2
     dest: /etc/ssmtp/ssmtp.conf
+    mode: 0600