diff --git a/conf/get_mail_domains.conf.sample b/conf/get_mail_domains.conf.sample
new file mode 100644
index 0000000..4d2b6a1
--- /dev/null
+++ b/conf/get_mail_domains.conf.sample
@@ -0,0 +1,40 @@
+# ----------------------------------------------------
+# ---
+# - Parameter Settings for script 'get_mail_domains.sh'.
+# ---
+# ----------------------------------------------------
+
+
+# - db_type
+# -
+# - Type of Postfix Database
+# -
+# - Possible values are 'pgsql' (PostgeSQL) or 'mysql' (MySQL)
+# - 
+# - Defaults to: db_type="pgsql"
+# -
+#db_type="pgsql"
+
+# - db_name
+# -
+# - Database name for the postfix database
+# - 
+# - Defaults to: db_name="postfix"
+# -
+#db_name="postfix"
+
+# - mysql_credential_args (root access to MySQL Database)
+# -
+# - Only used if db_type=mysql
+# -
+# - Example
+# -    mysql_credential_args="--login-path=local"
+# -    mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
+# -    mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+# -
+# - Defaults to:
+# -    '/etc/mysql/debian.cnf' if MySQL is installed from debian package system
+# -    '/usr/local/mysql/sys-maint.cnf' otherwise
+# -
+#mysql_credential_args=""
+
diff --git a/get_mail_domains.sh b/get_mail_domains.sh
index 2bf5fa5..54c06c0 100755
--- a/get_mail_domains.sh
+++ b/get_mail_domains.sh
@@ -1,18 +1,161 @@
 #!/bin/sh
 
-mysql=false
-mysql_credentilas="--login-path=local"
-mysql_db=postfix
+script_dir="$(dirname $(realpath $0))"
+conf_dir="${script_dir}/conf"
+conf_file="${conf_dir}/get_mail_domains.conf"
+
+_date="$(date +%Y-%m-%d)"
+
+tmp_dir="$(mktemp -d)"
+log_messages="${tmp_dir}/get_mail_domains.log"
+
+out_file="${script_dir}/log/mail-domains-${_date}.list"
+
+#---------------------------------------
+#-----------------------------
+# Setting Defaults
+#-----------------------------
+#---------------------------------------
+
+DEFAULT_db_type="pgsql"
+DEFAULT_db_name="postfix"
+
+
+#---------------------------------------
+#-----------------------------
+# Base Function(s)
+#-----------------------------
+#---------------------------------------
+
+clean_up() {
+
+   # Perform program exit housekeeping
+   rm -rf $tmp_dir
+   exit $1
+}
+echononl(){
+   echo X\\c > /tmp/shprompt$$
+   if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+      echo "$*\\c" 1>&2
+   else
+       echo -e -n "$*" 1>&2
+   fi
+   rm /tmp/shprompt$$
+}
+
+warn (){
+   echo ""
+   echo -e "   [ \033[33m\033[1mWarning\033[m ]: $*"
+   echo ""
+}
+
+error (){
+   echo ""
+   echo -e "   [ \033[31m\033[1mError\033[m ]: $*"
+   echo ""
+}
+
+fatal(){
+   echo ""
+   echo  -e "[ \033[31m\033[1mFehler\033[m ]: $*"
+   echo -e "\n            Script was interupted!\n"
+   echo
+   clean_up 1
+}
+
+echo_ok() {
+   echo -e "\033[75G[ \033[32mok\033[m ]"
+}
+echo_failed() {
+   echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
+}
+echo_skipped() {
+   echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
+}
+
+trap clean_up SIGHUP SIGINT SIGTERM
+
+clear
+echo ""
+echo -e "\033[32mRunning script \033[1m"$(basename $0)"\033[m .."
+clear
+echo ""
+echo -e "\033[32mRunning script \033[1m"$(basename $0)"\033[m .."
+echo ""
 
 echo ""
-if $mysql ; then
-   domains=$(mysql $mysql_credentilas $mysql_db  -N -s -e "SELECT domain FROM domain ORDER by domain")
+echo ""
+echononl "   Loading default Configuration values from $(basename ${conf_file}).."
+if [[ ! -f "$conf_file" ]]; then
+   echo_skipped
 else
-   domains=$(su - postgres -c"psql postfix -t -q -c\"SELECT domain FROM domain ORDER by domain\"")
+   source "${conf_file}" > /dev/null 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
 fi
-echo -e "$domains"
+
+if [[ "$db_type" != "pgsql" ]] && [[ "$db_type" != "mysql" ]]; then
+   fatal "Unknown Database Type '$db_type' for Password Database (Parameter db_type)"
+fi
+
+[[ -n "$db_name" ]] || db_name="$DEFAULT_db_name"
+
+
+if [[ "$db_type" = "mysql" ]]; then
+   if [[ -z "$mysql_credential_args" ]]; then
+      if [[ -f "/etc/mysql/debian.cnf" ]]; then
+         mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf"
+      elif [[ -f "/usr/local/mysql/sys-maint.cnf" ]] ; then
+         mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+      else
+         fatal "No credentials for access to MySQL is given!"
+      fi
+   fi
+fi
+
 echo ""
+echononl "   Create output directory '$(dirname "$out_file")'.."
+if [[ ! -d "$(dirname "$out_file")" ]] ; then
+   mkdir "$(dirname "$out_file")"
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
+else
+   echo_skipped
+fi
 
 
+echo ""
+echononl "   Collect supported domains at this server.."
+if $mysql ; then
+   domains=$(mysql $mysql_credential_args "$db_name"  -N -s -e \
+      "SELECT domain FROM domain ORDER by domain" 2> "$log_messages")
+else
+   domains=$(su - postgres -c"psql \"$db_name\" -t -q -c\"SELECT domain FROM domain ORDER by domain\"")
+fi
+if [[ $? -eq 0 ]]; then
+   echo_ok
+else
+   echo_failed
+   error "$(cat "$log_messages")"
+   clean_up 1
+fi
 
-exit 0
+echo -e "\n\n   \033[37m\033[1mMail Domains supported by this server ("$(hostname -f)"):\033[m\n"
+echo "Mail Domains supported by this server ("$(hostname -f)"):" > $out_file
+echo "" >> $out_file
+
+for domain in $domains ; do
+   [[ "$domain" = "ALL" ]] && continue
+   echo -e "   \033[32m$domain\033[m"
+   echo "   $domain" >> $out_file
+done
+
+echo "" >> $out_file
+echo ""
+clean_up 0