Install re2o on new infra

group_vars/all/vars.yaml

 ---
+
 # Custom header
 dirty: "{{lookup('pipe', 'git diff --quiet || echo dirty')}}"
 ansible_header: |
@@ -40,7 +41,8 @@ adm_subnet: 10.231.136.0/24
 #
 #
 # # global server definitions
-# mail_server: smtp.adm.crans.org
+glob_smtp: smtp.adm.crans.org
+
 glob_ldap:
   servers:
     - 172.16.10.1