diff --git a/install_postfixadmin.sh b/install_postfixadmin.sh
index 34c829e..504a714 100755
--- a/install_postfixadmin.sh
+++ b/install_postfixadmin.sh
@@ -314,11 +314,6 @@ if [[ -z "$APACHE_VHOST_DIR" ]] ; then
    fi
 fi
 
-[[ -n "$AUTOREPLY_HOSTNAME" ]] || AUTOREPLY_HOSTNAME=autoreply.${MAIN_DOMAIN}.$TLD
-
-[[ -n "$AUTOREPLY_HOSTNAME" ]] || AUTOREPLY_HOSTNAME=autoreply.${MAIN_DOMAIN}.$TLD
-
-
 [[ -n "$POSTFIX_DB_TYPE" ]] || fatal "Database Type of Postfix Database (POSTFIX_DB_TYPE) not present!"
 [[ -n "$POSTFIX_DB_HOST_MYSQL" ]] || POSTFIX_DB_HOST_MYSQL="$DEFAULT_POSTFIX_DB_HOST_MYSQL"
 [[ -n "$POSTFIX_DB_HOST_PGSQL" ]] ||POSTFIX_DB_HOST_PGSQL="$DEFAULT_POSTFIX_DB_HOST_PGSQL"
@@ -326,6 +321,14 @@ fi
 [[ -n "$POSTFIX_DB_USER" ]] || POSTFIX_DB_USER="$DEFAULT_POSTFIX_DB_USER"
 [[ -n "$POSTFIX_DB_PASS" ]] || fatal "Password of Postfix Database (POSTFIX_DB_PASS) not given!"
 
+[[ -n "$AUTOREPLY_HOSTNAME" ]] || AUTOREPLY_HOSTNAME=autoreply.${MAIN_DOMAIN}.$TLD
+
+if [[ "$POSTFIX_DB_HOST_MYSQL" =~ sock$ ]] || [[ "$POSTFIX_DB_HOST_MYSQL" =~ localhost ]]; then
+   VACATION_DB_HOST_MYSQL="127.0.0.1"
+else
+   VACATION_DB_HOST_MYSQL="$POSTFIX_DB_HOST_MYSQL"
+fi
+
 [[ -n "$MYSQL_DEBIAN_INSTALLATION" ]] || MYSQL_DEBIAN_INSTALLATION=false
 
 if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
@@ -1483,7 +1486,7 @@ echo -e "\n\n\t\033[37m\033[1mInstall Vacation\033[m\n"
 
 
 echononl "\tCreate system group '$VACATION_GROUP'"
-if ! grep -q "$VACATION_GROUP" /etc/group /etc/group > /dev/null 2>&1 ; then
+if ! grep -q "$VACATION_GROUP" /etc/group > /dev/null 2>&1 ; then
    addgroup --system --gid 65501 $VACATION_GROUP > "$log_file" 2>&1
    if [[ $? -ne 0 ]]; then
       echo_failed
@@ -1546,9 +1549,9 @@ fi
 
 
 echononl "\tCopy vacation script to '/var/spool/vacation/vacation.pl'"
-_vacacion_script="$(find ${_src_base_dir}/postfixadmin-${PF_ADMIN_VERSION} -type f -name vacation.pl -print 2>/dev/null)"
-if [[ -z "$(trim "$_vatacion_script")" ]] ; then
-   cp -a ${_vacacion_script} /var/spool/vacation/ > "$log_file" 2>&1
+_vacation_script="$(find ${_src_base_dir}/postfixadmin-${PF_ADMIN_VERSION} -type f -name vacation.pl -print 2>/dev/null)"
+if [[ -z "$(trim "$_vacation_script")" ]] ; then
+   cp -a ${_vacation_script} /var/spool/vacation/ > "$log_file" 2>&1
    if [[ $? -eq 0 ]];then
       echo_ok
    else
@@ -1645,6 +1648,13 @@ cat <<EOF > /etc/postfixadmin/vacation.conf 2> "$log_file"
 \$db_username     = '${POSTFIX_DB_USER}';
 \$db_password     = '${POSTFIX_DB_PASS}';
 \$db_name         = '${POSTFIX_DB_NAME}';
+EOF
+if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
+   cat <<EOF >> /etc/postfixadmin/vacation.conf 2> "$log_file"
+\$db_host         = '$VACATION_DB_HOST_MYSQL';
+EOF
+fi
+cat <<EOF >> /etc/postfixadmin/vacation.conf 2> "$log_file"
 \$vacation_domain = '${AUTOREPLY_HOSTNAME}';
 \$syslog          = 0;
 \$log_to_file     = 1;