diff --git a/postfix/defaults.yaml b/postfix/defaults.yaml
index 3c7b8d9..a0011b4 100644
--- a/postfix/defaults.yaml
+++ b/postfix/defaults.yaml
@@ -8,6 +8,8 @@ postfix:
   postsrsd_pkg: postsrsd
   postgrey_pkg: postgrey
   root_grp: root
+  setgid_group: postdrop
+  daemon_directory: /usr/libexec/postfix
   service: postfix
   xbin_prefix: /usr
   dovecot_deliver: /usr/lib/dovecot/deliver
diff --git a/postfix/files/main.cf b/postfix/files/main.cf
index ae9d35b..487fa75 100644
--- a/postfix/files/main.cf
+++ b/postfix/files/main.cf
@@ -39,6 +39,11 @@
 
 {{ set_parameter('readme_directory', 'no') }}
 
+# Apply default setgid_group
+{{ set_parameter('setgid_group', postfix.setgid_group) }}
+# Set daemon directory
+{{ set_parameter('daemon_directory', postfix.daemon_directory) }}
+
 {%- set relay_restrictions = ['permit_mynetworks'] %}
 {%- set recipient_restrictions = ['permit_mynetworks'] %}
 
diff --git a/postfix/init.sls b/postfix/init.sls
index 6a8321d..c178200 100644
--- a/postfix/init.sls
+++ b/postfix/init.sls
@@ -1,9 +1,22 @@
 {% from "postfix/map.jinja" import postfix with context %}
 
+{%- if grains.os_family == "Suse" %}
+# The existence of this file prevents the system to
+# overwrite files from salt when installing.
+/var/adm/postfix.configured:
+  file.managed:
+    - contents: ''
+    - mode: '0644'
+    - user: 'root'
+    - group: 'root'
+    - require_in:
+      - pkg: postfix
+{%- endif %}
+
 postfix:
   pkg.installed:
     - name: {{ postfix.package }}
-{%- if grains['os_family']=="FreeBSD" %}
+{%- if grains.os_family == "FreeBSD" %}
     - force: True
     - batch: True
 {%- endif %}
diff --git a/postfix/osfamilymap.yaml b/postfix/osfamilymap.yaml
index 3779c78..4a762b0 100644
--- a/postfix/osfamilymap.yaml
+++ b/postfix/osfamilymap.yaml
@@ -3,11 +3,13 @@
 ---
 Arch:
   policyd_spf_pkg: python-postfix-policyd-spf
+  daemon_directory: /usr/lib/postfix/bin
 
 Debian:
   policyd_spf_pkg: postfix-policyd-spf-python
   pcre_pkg: postfix-pcre
   mysql_pkg: postfix-mysql
+  daemon_directory: /usr/lib/postfix/sbin
 
 FreeBSD:
   policyd_spf_pkg: py27-postfix-policyd-spf-python
@@ -15,6 +17,7 @@ FreeBSD:
   xbin_prefix: /usr/local
   config_path: /usr/local/etc/postfix
   root_grp: wheel
+  daemon_directory: /usr/local/libexec/postfix
   dovecot_deliver: /usr/local/libexec/dovecot/deliver
 
 Gentoo:
@@ -27,3 +30,7 @@ Gentoo:
 
 RedHat:
   policyd_spf_pkg: pypolicyd-spf
+
+Suse:
+  setgid_group: maildrop
+  daemon_directory: /usr/lib/postfix/bin