diff --git a/sent_userinfo_postfix.sh b/sent_userinfo_postfix.sh
index 314908d..542c01d 100755
--- a/sent_userinfo_postfix.sh
+++ b/sent_userinfo_postfix.sh
@@ -5,7 +5,7 @@ conf_dir="${script_dir}/conf"
 conf_file="${conf_dir}/sent_userinfo_postfix.conf"
 
 tmp_dir="$(mktemp -d)"
-logfile="${script_dir}/sent_userinfo_postfix.$(date +%Y-%m-%d-%H%M).log"
+logfile="${script_dir}/log/sent_userinfo_postfix.$(date +%Y-%m-%d-%H%M).log"
 
 #---------------------------------------
 #-----------------------------
@@ -40,6 +40,12 @@ echononl(){
    rm /tmp/shprompt$$
 }
 
+warn (){
+   echo ""
+   echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
+   echo ""
+}
+
 fatal(){
    echo ""
    echo  -e "[ \033[31m\033[1mFehler\033[m ]: $*"
@@ -96,6 +102,57 @@ if [[ ! -f $user_info_file ]];then
 fi
 
 
+echo ""
+echo -e "\033[32m--\033[m"
+echo ""
+echo "Is this a tset-run, sending the user info to only one given address?"
+echo ""
+echo ""
+_TEST_RUN=
+while [ "$_TEST_RUN" != "yes" -o "$_TEST_RUN" != "no" ] ; do
+   echononl "\033[1mTest run? [yes/no]:\033[m "
+   read _TEST_RUN
+   ## - To lower case
+   _TEST_RUN=${_TEST_RUN,,}
+   if [ "X$_TEST_RUN" = "X" ]; then
+      echo -e "\n\t\033[33m\033[1mAn entry is required! Type 'yes' or 'no'\033[m.\n"
+      _TEST_RUN=""
+      continue
+   fi
+   if [ "$_TEST_RUN" = "yes" -o "$_TEST_RUN" = "no" ] ; then
+      break
+   fi
+   echo -e "\n\t\033[33m\033[1mWrong entry! Type 'yes' or 'no'.\033[m\n"
+done
+if [[ "$_TEST_RUN" = "yes" ]]; then
+   TEST_RUN=true
+else
+   TEST_RUN=false
+fi
+
+
+if $TEST_RUN ; then
+
+   echo ""
+   echo -e "\033[32m--\033[m"
+   echo ""
+   echo "Give the recipient address for the test run."
+   echo ""
+   echo ""
+   test_email=""
+   while [[ "X$test_email" = "X" ]] ; do
+      echononl "\033[1mRecipient address for test run:\033[m "
+      read test_email
+      if [[ "X$test_email" = "X" ]] ; then
+         echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m"
+      fi
+   done
+fi
+
+
+
+
+
 echo ""
 echo ""
 echo -e "\033[32mSettings for script \033[37m\033[1msent_userinfo_postfix.sh\033[m"
@@ -107,6 +164,16 @@ echo "   Mail Sender Organisation..........: $email_from_org"
 echo ""
 echo "   Mail User.........................: $mail_user"
 echo "   Mail Group........................: $mail_group"
+echo ""
+echo "   Test Run..........................: $TEST_RUN"
+if $TEST_RUN ; then
+   echo "   Recipient address for test run....: $test_email"
+fi
+echo ""
+
+if ! $TEST_RUN ; then 
+   warn "This is \033[1mNOT\033[m a test run. All local mailboxes will receive the user info e-mail."
+fi
 
 echo ""
 OK=
@@ -127,7 +194,18 @@ while [ "$OK" != "yes" -o "$OK" != "no" ] ; do
 done
 [[ $OK = "yes" ]] || fatal "Repeat execution with different parameters."
 
-
+echo ""
+echononl "   Create log directory '$(dirname "$logfile")'.."
+if [[ ! -d "$(dirname "$logfile")" ]] ; then
+   mkdir "$(dirname "$logfile")"
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+   fi
+else
+   echo_skipped
+fi
 
 > $logfile
 
@@ -151,7 +229,14 @@ echo -e "\n\t --- Sending userinfo into all local virtual mailboxes --\n" | tee
 
 ## - list of local virtual domains
 ## -
-domains=`su postgres -c"psql -At -F ' ' postfix -c\"SELECT domain FROM domain WHERE domain != 'ALL' ORDER BY domain\""`
+if $TEST_RUN ; then
+   if [[ ! "${test_email}" =~ ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ ]] ; then
+      fatal "The given recipient address (${test_email}) for test run does not look like a correct e-mail address!"
+   fi
+   domains="${test_email##*@}"
+else
+   domains=`su postgres -c"psql -At -F ' ' postfix -c\"SELECT domain FROM domain WHERE domain != 'ALL' ORDER BY domain\""`
+fi
 
 declare -i num_dom=0;
 declare -i num_mbox_failed=0;
@@ -163,7 +248,11 @@ email_from_regex="$(echo ${email_from//\@/\\@})"
 
 for domain in $domains ;do
    echo -e "\nDOMAIN: $domain\n" | tee -a $logfile
-   local_parts=`su postgres -c"psql -At -F ' ' postfix -c\"SELECT local_part  FROM mailbox WHERE domain = '$domain'\""`
+   if $TEST_RUN ; then
+      local_parts="${test_email%%@*}"
+   else
+      local_parts=`su postgres -c"psql -At -F ' ' postfix -c\"SELECT local_part  FROM mailbox WHERE domain = '$domain'\""`
+   fi
    for local_part in $local_parts ; do
       cp "$user_info_file"  "$tmp_dir"
       perl -i -n -p -e "s/%email_to%/$local_part\@$domain/" "${tmp_dir}/$(basename $user_info_file)"
@@ -183,6 +272,10 @@ for domain in $domains ;do
    num_dom=num_dom+1
 done
 
+if ! $TEST_RUN ; then
+   mv "$user_info_file" "${user_info_file}.SENT.$(date +%Y-%m-%d)"
+fi
+
 echo -e "\n\n----- Statistics -----\n\n\tSent mail to $num_mbox mailboxe(s) of $num_dom domain(s)" | tee -a $logfile
 
 if [ $num_mbox_failed -gt 0 ];then