Add postfix role

roles/postfix-null/meta/main.yml

@@ -0,0 +1,2 @@
+---
+allow_duplicates: no

roles/postfix-null/tasks/main.yml

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+#!/usr/bin/ansible-playbook
+# vim:ft=ansible:
+---
+- name: Set up Postfix
+  block:
+    - name: Install Postfix
+      apt:
+        name:
+          - postfix
+    - name: Install config
+      template:
+        src: "main.cf"
+        dest: "/etc/postfix/main.cf"
+  become: yes

roles/postfix-null/templates/main.cf

@@ -0,0 +1,5 @@
+myhostname = {{ postfix_hostname }}
+myorigin = $mydomain
+#relayhost = $mydomain
+inet_interfaces = loopback-only
+mydestination =