diff --git a/roles/base/tasks/RedHat.yml b/roles/base/tasks/RedHat.yml
index 873ef56..ac02118 100644
--- a/roles/base/tasks/RedHat.yml
+++ b/roles/base/tasks/RedHat.yml
@@ -5,11 +5,15 @@
   with_items:
     - selinux        # selinux first to get fcontexts working
     - iptables
-    - postfix
     - rsyslog
   loop_control:
     loop_var: role
 
+- name: install postfix
+  include_role:
+    name: postfix
+  when: "'mail' not in {{ group_names }}"
+
 - name: install packages
   package:
     name: "{{ item }}"