diff --git a/conf/install_postfixadmin.conf.sample b/conf/install_postfixadmin.conf.sample
index c18c0f1..3da4280 100644
--- a/conf/install_postfixadmin.conf.sample
+++ b/conf/install_postfixadmin.conf.sample
@@ -218,19 +218,28 @@ D-10999 Berlin    |   E-MAIL: oo@oopen.de
 # -
 POSTFIX_DB_TYPE="pgsql"
 
-# - Host of Postfix Database
+# - Host/Socket of Postfix Database (MySQL)
 # -
-# - Defaults to 'localhost'
+# - Example:
+# -    POSTFIX_DB_HOST_MYSQL="127.0.0.1"
+# -    POSTFIX_DB_HOST_MYSQL="unix:/tmp/mysql.sock"
 # -
-#POSTFIX_DB_HOST=""
+# - Note:
+# - Dont't use 'localhost' if your MySQL socket is NOT
+# - located at '/var/run/mysqld/mysqld.sock'
+# - 
+# - Defaults to 'unix:/tmp/mysql.sock'
+# -
+#POSTFIX_DB_HOST_MYSQL=""
 
-# - Unix socket where PostgreSQL is listening
+# - Host/Socket of Postfix Database (PostgeSQL)
 # -
-# - Only possible, for postgreSQL
+# - Example:
+# -    POSTFIX_DB_HOST_PGSQL='/var/run/postgresql'
 # -
 # - Defaults to '/var/run/postgresql'
 # -
-#POSTFIX_DB_SOCKET=""
+#POSTFIX_DB_HOST_PGSQL=""
 
 # - Name of Postfix Database
 # -
diff --git a/install_postfixadmin.sh b/install_postfixadmin.sh
index adfc8c1..ea47734 100755
--- a/install_postfixadmin.sh
+++ b/install_postfixadmin.sh
@@ -220,10 +220,10 @@ DEFAULT_APACHE_SERVER_CERT="server-bundle.crt"
 DEFAULT_APACHE_SERVER_KEY="server.key"
 DEFAULT_DEBIAN_APACHE_VHOST_DIR="/etc/apache2/sites-available"
 DEFAULT_APACHE_VHOST_DIR="/usr/local/apache2/conf/vhosts"
-DEFAULT_POSTFIX_DB_HOST="localhost"
+DEFAULT_POSTFIX_DB_HOST_PGSQL="/var/run/postgresql"
+DEFAULT_POSTFIX_DB_HOST_MYSQL="unix:/tmp/mysql.sock"
 DEFAULT_POSTFIX_DB_NAME="postfix"
 DEFAULT_POSTFIX_DB_USER="postfix"
-DEFAULT_POSTFIX_DB_SOCKET_PG="/var/run/postgresql"
 DEFAULT_DEBIAN_MYSQL_CREDENTIALS="--defaults-file=/etc/mysql/debian.cnf"
 DEFAULT_MYSQL_CREDENTIALS="--defaults-file=/usr/local/mysql/sys-maint.cnf"
 
@@ -320,19 +320,12 @@ fi
 
 
 [[ -n "$POSTFIX_DB_TYPE" ]] || fatal "Database Type of Postfix Database (POSTFIX_DB_TYPE) not present!"
-[[ -n "$POSTFIX_DB_HOST" ]] || POSTFIX_DB_HOST="$DEFAULT_POSTFIX_DB_HOST"
+[[ -n "$POSTFIX_DB_HOST_MYSQL" ]] || POSTFIX_DB_HOST_MYSQL="$DEFAULT_POSTFIX_DB_HOST_MYSQL"
+[[ -n "$POSTFIX_DB_HOST_PGSQL" ]] ||POSTFIX_DB_HOST_PGSQL="$DEFAULT_POSTFIX_DB_HOST_PGSQL"
 [[ -n "$POSTFIX_DB_NAME" ]] || POSTFIX_DB_NAME="$DEFAULT_POSTFIX_DB_NAME"
 [[ -n "$POSTFIX_DB_USER" ]] || POSTFIX_DB_USER="$DEFAULT_POSTFIX_DB_USER"
 [[ -n "$POSTFIX_DB_PASS" ]] || fatal "Password of Postfix Database (POSTFIX_DB_PASS) not given!"
 
-if [[ -n "$POSTFIX_DB_SOCKET" ]]; then
-   if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
-      fatal "MySQL Socket (POSTFIX_DB_SOCKET) is not supported by this script"
-   fi
-else
-   POSTFIX_DB_SOCKET="$DEFAULT_POSTFIX_DB_SOCKET_PG"
-fi
-
 [[ -n "$MYSQL_DEBIAN_INSTALLATION" ]] || MYSQL_DEBIAN_INSTALLATION=false
 
 if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
@@ -440,10 +433,11 @@ echo ""
 if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
    echo -e   "\tDatabase type of Postfix Database....: MySQL"
    echo -e   "\tMySQL from Debian Package System.....: $MYSQL_DEBIAN_INSTALLATION"
+   echo -e   "\tHost of Postfix Database.............: $POSTFIX_DB_HOST_MYSQL"
 else
    echo -e   "\tDatabase type of Postfix Database....: PostgreSQL"
+   echo -e   "\tHost of Postfix Database.............: $POSTFIX_DB_HOST_PGSQL"
 fi
-echo -e   "\tHost of Postfix Database.............: $POSTFIX_DB_HOST"
 echo -e   "\tName of Postfix Database.............: $POSTFIX_DB_NAME"
 echo -e   "\tUser of Postfix Database.............: $POSTFIX_DB_USER"
 echo -e   "\tPassword of Postfix Database.........: $POSTFIX_DB_PASS"
@@ -2519,7 +2513,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_relay-domain-maps.cf'"
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_relay-domain-maps.cf 2> $log_file
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2529,7 +2523,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_relay-domain-maps.cf 2> $log_file
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2571,7 +2565,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_sender_login_maps.cf'"
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_sender_login_maps.cf 2> $log_file
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2581,7 +2575,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_sender_login_maps.cf 2> $log_file
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2624,7 +2618,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_transport_maps.cf'"
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_transport_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2637,7 +2631,7 @@ EOF
 
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_transport_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2685,7 +2679,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_maps.cf'"
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2695,7 +2689,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2716,7 +2710,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_ma
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2726,7 +2720,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2746,7 +2740,7 @@ fi
 echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_catchall_maps.cf'"
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_catchall_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2756,7 +2750,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_catchall_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2804,7 +2798,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_mailbox_maps.cf
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_mailbox_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2814,7 +2808,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_mailbox_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2835,7 +2829,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_ma
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_mailbox_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2845,7 +2839,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_domain_mailbox_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2889,7 +2883,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_domains_maps.cf
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_domains_maps.cf
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2899,7 +2893,7 @@ EOF
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
 
     cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_domains_maps.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2946,7 +2940,7 @@ if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 ## - this address rewriting acts as address extension 
 ## - with delimeter "-"
 ## -
-hosts           = $POSTFIX_DB_SOCKET
+hosts           = $POSTFIX_DB_HOST_PGSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME
@@ -2955,7 +2949,7 @@ EOF
 
 elif [ "$POSTFIX_DB_TYPE" = "mysql" ];then
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_address_rewriting.cf
-hosts           = $POSTFIX_DB_HOST
+hosts           = $POSTFIX_DB_HOST_MYSQL
 user            = $POSTFIX_DB_USER
 password        = $POSTFIX_DB_PASS
 dbname          = $POSTFIX_DB_NAME