diff --git a/AppendCMS.sh b/AppendCMS.sh
index c76c4d4..6e70de5 100644
--- a/AppendCMS.sh
+++ b/AppendCMS.sh
@@ -1,3 +1,12 @@
+#!/bin/bash
+
+###############################
+# @author: Bram Prieshof      #
+# @author: Branco van de Waal #
+###############################
+
+itype=AddCMS
+
 ##-----------------##
 #   Fetching Vars   #
 ##-----------------##
@@ -29,6 +38,9 @@ declare -n options="$webserv"Options
 
 ignphpcms=1
 
+#Options var setup for enabled sub-modules
+option="${SelectedOptions,,}" && option="${option// /}" && option="${option//:/ }" && option="${option//'"'}"
+option="$option""$EnabledAons"
 
 ##---------------##
 #    Functions    #
@@ -205,6 +217,23 @@ if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$re
     source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/CMS/"$CMS"/"$webserv"-preconf.sh)
 fi
 
+#Preconfiguring module For CMS
+for val1 in ${option[*]}; do
+    modListed=$(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/extModules.list|grep "$val1")
+    #Checking
+    if test -z "$modListed"
+    then
+        #Fetching from local repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-preconf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-preconf.sh)
+        fi
+    else
+        #Fetching from remote repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"CMSHook-preconf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$modListed"CMSHook-preconf.sh)
+        fi
+    fi
+done
 
 ##-------------##
 #   Installer   #
@@ -267,15 +296,26 @@ if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$re
     source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/CMS/"$CMS"/"$webserv"-conf.sh)
 fi
 
-##--------------------------##
-#   Backup-util Site Setup   #
-##--------------------------##
+#Configuring Module for CMS
+
+for val1 in ${option[*]}; do
+    modListed=$(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/extModules.list|grep "$val1")
+    #Checking
+    if test -z "$modListed"
+    then
+        #Fetching from local repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-conf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-conf.sh)
+        fi
+    else
+        #Fetching from remote repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"CMSHook-conf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$modListed"CMSHook-conf.sh)
+        fi
+    fi
+done
+
 
-repobckutil=https://git.ictmaatwerk.com/VPS-scripts/Backup-Util
-branchbckutil=master
-if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repobckutil"/raw/branch/"$branchbckutil"/CMSHook-conf.sh; then
- source <(curl --retry 7 --retry-delay 5 -s "$repobckutil"/raw/branch/"$branchbckutil"/CMSHook-conf.sh)
-fi
 
 ##------------##
 #   Services   #
diff --git a/AppendModule.sh b/AppendModule.sh
index bdaed34..af2b03f 100644
--- a/AppendModule.sh
+++ b/AppendModule.sh
@@ -1,13 +1,18 @@
+#!/bin/bash
+
+###############################
+# @author: Bram Prieshof      #
+# @author: Branco van de Waal #
+###############################
+
+itype=AddMod
+
 ##-----------------##
 #   Fetching Vars   #
 ##-----------------##
 
 if [ ! -f "/etc/ICTM/selopts.list" ] || [ ! -f "/etc/ICTM/mainvar.list" ] ; then echo 'This system is not yet setup, please run the main installer first' && exit ; fi
 
-##-----------------##
-#   Fetching Vars   #
-##-----------------##
-
 source /etc/ICTM/selopts.list
 source /etc/ICTM/mainvar.list
 if [ -z $shortdist ] ; then source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/Scripts/MicroOSDetect.sh) ; fi
diff --git a/Docs/docs/Dev-Adding-Modules.md b/Docs/docs/Dev-Adding-Modules.md
index fc95801..1526377 100644
--- a/Docs/docs/Dev-Adding-Modules.md
+++ b/Docs/docs/Dev-Adding-Modules.md
@@ -14,6 +14,8 @@ In both cases the file structure is expected as shown below
 * `<Webserver>`-apt.pkg.list
 * `<Webserver>`-dnf.pkg.list
 * config/*
+* CMSHook-preconf.sh
+* CMSHook-conf.sh
 
 ## The internal module location
 SubModules/`<ModuleName>`
@@ -32,7 +34,8 @@ SubModules/`<ModuleName>`
 | `<Webserver>`-apt.pkg.list | packagelist for specified webserver for distro's that use apt|
 | `<Webserver>`-dnf.pkg.list | packagelist for specified webserver for distro's that use dnf/yum|
 | config/* | Directory for config files | 
-
+| CMSHook-conf.sh  | Will run as addtional preconf when CSM is installed|
+| CMSHook-conf.sh  | Will run after a CSM is installed|
 
 # Defining in the menu
 ### Add the following to ModulesMenu.list
diff --git a/SubModules/postfix/conf.sh b/SubModules/postfix/conf.sh
index f0448f5..5af7539 100644
--- a/SubModules/postfix/conf.sh
+++ b/SubModules/postfix/conf.sh
@@ -85,7 +85,7 @@ systemctl start postfix opendkim
 systemctl enable postfix opendkim
 
 #if using Append module run for existing cms/sites
-if [ ! -z "${postfixappended}" ]; then
+if [  "$itype" = "AddMod" ]; then
    for file in /etc/ICTM/sites/*; do
         sitename="${file##*/}"
         domain=${sitename//_/.}
diff --git a/SubModules/postfix/preconf.sh b/SubModules/postfix/preconf.sh
index 0276a07..fec0bd6 100644
--- a/SubModules/postfix/preconf.sh
+++ b/SubModules/postfix/preconf.sh
@@ -1,7 +1,3 @@
-if [ -z "${domain}" ]; then
-    postfixappended=1
-fi
-
 if [ "$shortdist" = "ubu1804" ] || [ "$shortdist" = "ubu2004" ] || [ "$shortdist" = "deb10" ] ; then
     debconf-set-selections <<< "postfix postfix/mailname string $hostname"
     debconf-set-selections <<< "postfix postfix/main_mailer_type string 'Internet Site'"
diff --git a/installer.sh b/installer.sh
index dd063b5..2df823d 100644
--- a/installer.sh
+++ b/installer.sh
@@ -1,5 +1,11 @@
 #!/bin/bash
 
+###############################
+# @author: Bram Prieshof      #
+# @author: Branco van de Waal #
+###############################
+
+itype=Main
 
 ##--------------------##
 #   Legacy/Main Menu   #
@@ -435,6 +441,9 @@ if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$re
  source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/CoreModules/"$webserv"/reqmodules.sh)
 fi
 
+#saving enabled Allways on modules
+echo 'EnabledAons=('$aonoption')' > /etc/ICTM/selopts.list
+
 #Combining selected option with always-on options
 option="$option""$aonoption"
 
@@ -573,6 +582,24 @@ if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$re
  source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/CMS/"$CMS"/"$webserv"-preconf.sh)
 fi
 
+#Preconfiguring module For CMS
+for val1 in ${option[*]}; do
+    modListed=$(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/extModules.list|grep "$val1")
+    #Checking
+    if test -z "$modListed"
+    then
+        #Fetching from local repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-preconf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-preconf.sh)
+        fi
+    else
+        #Fetching from remote repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"CMSHook-preconf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$modListed"CMSHook-preconf.sh)
+        fi
+    fi
+done
+
 #Saving updated vars
 for storeme in phpver sqlver PHPMyadmin; do
     declare -p $storeme | cut -d ' ' -f 3- >> /etc/ICTM/mainvar.list
@@ -695,6 +722,25 @@ if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$re
 fi
 fi
 
+#Configuring Module for CMS
+
+for val1 in ${option[*]}; do
+    modListed=$(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/extModules.list|grep "$val1")
+    #Checking
+    if test -z "$modListed"
+    then
+        #Fetching from local repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-conf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/"$val1"/CMSHook-conf.sh)
+        fi
+    else
+        #Fetching from remote repo
+        if curl --retry 2 --retry-delay 1 --output /dev/null --silent --head --fail "$modListed"CMSHook-conf.sh; then
+            source <(curl --retry 7 --retry-delay 5 -s "$modListed"CMSHook-conf.sh)
+        fi
+    fi
+done
+
 ##------------##
 #   Services   #
 ##------------##