update..

roles/common/templates/usr/local/src/mailsystem/conf/install_amavis.conf.j2

@@ -7,7 +7,11 @@
 
 _HOSTNAME={{ hostname }}
 _IPV4='{{ ipv4_address | default(omit) }}'
-_IPV6='{{ ipv6_address | default(omit) }}'
+{% if ipv6_address is defined and ipv6_address %}
+_IPV6="{{ ipv6_address }}"
+{% else %}
+_IPV6=disabled
+{% endif %}
 
 _QUARANTINE_DIR=/var/QUARANTINE
 _QUARANTINE_ADMIN=postmaster\@$mydomain

roles/common/templates/usr/local/src/mailsystem/conf/install_postfix_advanced.conf.j2

@@ -11,10 +11,20 @@
 
 _HOSTNAME={{ hostname }}
 _IPV4='{{ ipv4_address | default(omit) }}'
-_IPV6='{{ ipv6_address | default(omit) }}'
+{% if ipv6_address is defined and ipv6_address %}
+_IPV6="{{ ipv6_address }}"
+{% else %}
+_IPV6=disabled
+{% endif %}
 _ADMIN_EMAIL="{{ admin_email }}" 
 _SASL_AUTH_ENABLED="{{ sasl_auth_enable | default('no') }}"
 _SASL_USER='{{ sasl_user | default(omit) }}'
 _SASL_PASS='{{ sasl_pass | default(omit) }}'
+{% if is_sympa_list_server is defined and is_sympa_list_server is sameas true %}
+_RELAY_HOST=true
+_SYMPA_LIST_SERVER=true
+{% else %}
 _RELAY_HOST="{{ is_relay_host | default('false') }}"
+_SYMPA_LIST_SERVER=false
+{% endif %}
 

roles/common/templates/usr/local/src/mailsystem/conf/install_upgrade_roundcube-webmail.conf.j2

@@ -42,7 +42,11 @@ IPV6="{{ ipv6_address | default(omit) }}"
 # -
 # - Defaults to 'admin@<domain>.<tld>'
 # -
+{% if (admin_email is defined) and admin_email %}
+POSTFIX_DB_HOST_PGSQL="{{ postfix_db_host }}"
+{% else %}
 #WEBMASTER_EMAIL=""
+{% endif %}
 
 # - Base Directory of Roundcube Website 
 # -
@@ -290,7 +294,11 @@ POSTFIX_DB_PASSWD='{{ postfix_db_pass | default(omit) }}'
 # -
 # - Defaults to 'false'
 # -
+{% if roundcube_acl_plugin is defined and roundcube_acl_plugin is sameas true %}
 INCLUDE_ACL_PLUGIN="true"
+{% else %}
+#INCLUDE_ACL_PLUGIN="false"
+{% endif %}
 
 
 # ===

roles/common/templates/usr/local/src/mailsystem/conf/install_upgrade_roundcube-webmail2.conf.j2

@@ -265,7 +265,11 @@ POSTFIX_DB_PASSWD='{{ postfix_db_pass | default(omit) }}'
 # -
 # - Defaults to 'false'
 # -
+{% if roundcube2_acl_plugin is defined and roundcube2_acl_plugin is sameas true %}
 INCLUDE_ACL_PLUGIN="true"
+{% else %}
+#INCLUDE_ACL_PLUGIN="false"
+{% endif %}
 
 
 # ===