diff --git a/conf/postfix_add_mailboxes.conf.sample b/conf/postfix_add_mailboxes.conf.sample
new file mode 100644
index 0000000..e247156
--- /dev/null
+++ b/conf/postfix_add_mailboxes.conf.sample
@@ -0,0 +1,48 @@
+# ----------------------------------------------------
+# ---
+# - Parameter Settings for script 'postfix_add_mailboxes.sh'.
+# ---
+# ----------------------------------------------------
+
+
+# - in_file
+# -
+# - The file from wich the script reads the e-mail-address/password
+# - kombination(s). Each line in this file must only contain
+# -    <emal-address> <password>
+# -
+# - Defaults to: in_file="${conf_dir}/mailboxes_new.lst"
+# -
+#in_file="${conf_dir}/mailboxes_new.lst"
+
+# - db_name
+# -
+# - Database name for the postfix database
+# - 
+# - Defaults to: db_name="postfix"
+# -
+#db_name="postfix"
+
+# - db_user
+# -
+# - Database user with access to the postfix database ($db_name)
+# -
+# - Defaults to: db_user="postfix"
+# -
+#db_user="postfix"
+
+# - quota
+# -
+# - The quota setting for the new mailboxes.
+# -
+# - Defaults to: quota="536870912"
+# -
+#quota="536870912"
+
+# - log_file
+# -
+# - Where to write logging informations?
+# -
+# - Defaults to: log_file="${script_dir}/log/postfix_add_mailboxes.log"
+# -
+#log_file="${script_dir}/log/postfix_add_mailboxes.log"
diff --git a/log/postfix_add_mailboxes.log.20171101-1817 b/log/postfix_add_mailboxes.log.20171101-1817
new file mode 100644
index 0000000..0ec075e
--- /dev/null
+++ b/log/postfix_add_mailboxes.log.20171101-1817
@@ -0,0 +1 @@
+[ OK ]:     e-mail: ckubu-test2@oopen.de -- password: EadGl15E.%
diff --git a/postfix_add_mailboxes.sh b/postfix_add_mailboxes.sh
index 2768b34..2cfe472 100755
--- a/postfix_add_mailboxes.sh
+++ b/postfix_add_mailboxes.sh
@@ -6,22 +6,18 @@
 ## -
 ## --------------------------------------
 
+script_dir="$(dirname $(realpath $0))"
+conf_dir="${script_dir}/conf"
+conf_file="${conf_dir}/postfix_add_mailboxes.conf"
 
-## - a.mx.oopen.de
-db_name=postfix
-db_user=postfix
 
-## - mailbox related
-## -
-# - 2GB
-#quota=2147483648
-# - 512MB
-quota=536870912
-#_passwd='$E%R&T/Z(U'
-
-in_file=/root/mailboxes_new.lst
-
-log_file=/tmp/postfix_add_mailboxes.log
+## --- Default Settings
+## ---
+DEFAULT_db_name="postfix"
+DEFAULT_db_user="postfix"
+DEFAULT_quota="536870912"
+DEFAULT_in_file="${conf_dir}/mailboxes_new.lst"
+DEFAULT_log_file="${script_dir}/log/postfix_add_mailboxes.log"
 
 ## --- some functions
 ## ---
@@ -93,6 +89,76 @@ trim() {
 
 date_suffix="`date +%Y%m%d-%H%M`"
 
+echo ""
+echo ""
+echononl "   Loading default Configuration values from $(basename ${conf_file}).."
+if [[ ! -f "$conf_file" ]]; then
+   echo_skipped
+else
+   source "${conf_file}" > /dev/null 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
+fi
+
+[[ -n "$db_name" ]] || db_name="$DEFAULT_db_name"
+[[ -n "$db_user" ]] || db_user="$DEFAULT_db_user"
+[[ -n "$quota" ]] || quota="$DEFAULT_quota"
+[[ -n "$in_file" ]] || in_file="$DEFAULT_in_file"
+[[ -n "$log_file" ]] || log_file="$DEFAULT_log_file"
+
+
+if [[ ! -f "$in_file" ]];then
+  fatal "File containing the email/password pairs '$in_file' does not exist !!"
+fi
+
+echo ""
+echo ""
+echo -e "\033[32mSettings for script \033[37m\033[1msent_userinfo_postfix.sh\033[m"
+echo ""
+echo "   File containing the new mailboxes and passwords.......: $in_file"
+echo ""
+echo "   Mailbox quota to set for each new mailbox.............: $quota"
+echo ""
+echo "   Database name for the postfix DB......................: $db_name"
+echo "   Database user to access the postfix DB................: $db_user"
+
+echo ""
+OK=
+while [ "$OK" != "yes" -o "$OK" != "no" ] ; do
+   echononl "\033[1mParameters ok? [yes/no]:\033[m "
+   read OK
+   ## - To lower case
+   OK=${OK,,}
+   if [ "X$OK" = "X" ]; then
+      echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m\n"
+      OK=""
+      continue
+   fi
+   if [ "$OK" != "yes" -o "$OK" != "no" ] ; then
+      break
+   fi
+   echo -e "\n\t\033[33m\033[1mWrong entry!\033[m\n"
+done
+[[ $OK = "yes" ]] || fatal "Repeat execution with different parameters."
+
+
+echo ""
+echononl "   Create log directory '$(dirname "$log_file")'.."
+if [[ ! -d "$(dirname "$log_file")" ]] ; then
+   mkdir "$(dirname "$log_file")"
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
+else
+   echo_skipped
+fi
+
+
 echo
 
 ## - 
@@ -256,6 +322,14 @@ while read email passwd ; do
 
 done < $in_file
 
+echononl "\tMove file '$in_file'.." 
+mv "$in_file" "${in_file}.$(date +%Y-%m-%d)"
+if [[ $? -eq 0 ]]; then
+   echo_ok
+else
+   echo_failed
+fi
+
 echo
 echo -e "See \033[37m\033[1m$log_file\033[m to see the results again."
 echo ""