diff --git a/install_postfixadmin.sh b/install_postfixadmin.sh
index 5cc28cd..a7ae94b 100755
--- a/install_postfixadmin.sh
+++ b/install_postfixadmin.sh
@@ -389,7 +389,7 @@ if [[ -z "$APACHE_VHOST_DIR" ]] ; then
    fi
 fi
 
-[[ -n "${COMPOSER}" ]] || COMPOSER=${DEFAULT_COMPOSER} 
+[[ -n "${COMPOSER}" ]] || COMPOSER=${DEFAULT_COMPOSER}
 
 [[ -n "$POSTFIX_DB_TYPE" ]] || fatal "Database Type of Postfix Database (POSTFIX_DB_TYPE) not present!"
 [[ -n "$POSTFIX_DB_HOST_MYSQL" ]] || POSTFIX_DB_HOST_MYSQL="$DEFAULT_POSTFIX_DB_HOST_MYSQL"
@@ -430,7 +430,7 @@ if [[ "$POSTFIX_DB_TYPE" = "mysql" ]] ; then
          fi
 
       else
-      
+
          echononl "\tGet MySQL command.."
          mysql_command="$(which mysql)"
          if [[ $? -eq 0 ]]; then
@@ -453,9 +453,9 @@ if [[ "$POSTFIX_DB_TYPE" = "mysql" ]] ; then
          elif [[ -f "/etc/mysql/debian.cnf" ]] ; then
             MYSQL_CREDENTIALS="--defaults-file=/etc/mysql/debian.cnf"
          else
-            fatal "Parameter 'MYSQL_CREDENTIALS' cannot be determined automated. 
+            fatal "Parameter 'MYSQL_CREDENTIALS' cannot be determined automated.
 
-               Use configuration file "$conf_file" to set 
+               Use configuration file "$conf_file" to set
                parameter manually."
          fi
       fi
@@ -475,7 +475,7 @@ fi
 
 if [[ "$ENCRYPTION_METHOD" =~ dovecot ]]; then
    [[ -n "$DOVEADM_PW" ]] || DOVEADM_PW=$DEFAULT_DOVEADM_PW
-fi 
+fi
 
 [[ -n "$DELETED_MAILBOX_DIR" ]] || DELETED_MAILBOX_DIR=$DEFAULT_DELETED_MAILBOX_DIR
 [[ -n "$DELETED_DOMAINS_DIR" ]] || DELETED_DOMAINS_DIR=$DEFAULT_DELETED_DOMAINS_DIR
@@ -767,7 +767,7 @@ fi
 
 if ! $database_exists ; then
    echononl "\tCreate Postfix Database '$POSTFIX_DB_NAME'"
-   if [ "$POSTFIX_DB_TYPE" = "mysql" ]; then 
+   if [ "$POSTFIX_DB_TYPE" = "mysql" ]; then
       echo -n " (MySQL).."
       mysql $MYSQL_CREDENTIALS -N -s -e \
          "CREATE DATABASE IF NOT EXISTS $POSTFIX_DB_NAME CHARACTER SET utf8 COLLATE utf8_general_ci" >> $log_file 2>&1
@@ -817,7 +817,7 @@ else
       else
          _db_backup_file_name="${POSTFIX_DB_NAME}-pfa.${backup_date}.sql"
       fi
-      if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then 
+      if [[ "$POSTFIX_DB_TYPE" = "mysql" ]]; then
          echo -n " (MySQL).."
          mysqldump $MYSQL_CREDENTIALS --opt $POSTFIX_DB_NAME > ${WEBSITE_BASEDIR}/${_db_backup_file_name} 2> $log_file
          if [[ $? -eq 0 ]]; then
@@ -1011,7 +1011,7 @@ else
 fi
 
 
-   
+
 echo -e "\n\n\t\033[37m\033[1mBase install Postfixadmin..\033[m\n"
 
 
@@ -1358,13 +1358,13 @@ if [[  "$PHP_TYPE" = "fcgid" ]] ; then
 #!/bin/sh
 export PHPRC="${WEBSITE_BASEDIR}/conf/"
 export TMPDIR="${WEBSITE_BASEDIR}/tmp"
-# PHP child process management (PHP_FCGI_CHILDREN) should 
-# always be disabled with mod_fcgid, which will only route one 
-# request at a time to application processes it has spawned; 
-# thus, any child processes created by PHP will not be used 
-# effectively. (Additionally, the PHP child processes may not 
-# be terminated properly.) By default, and with the environment 
-# variable setting PHP_FCGI_CHILDREN=0, PHP child process 
+# PHP child process management (PHP_FCGI_CHILDREN) should
+# always be disabled with mod_fcgid, which will only route one
+# request at a time to application processes it has spawned;
+# thus, any child processes created by PHP will not be used
+# effectively. (Additionally, the PHP child processes may not
+# be terminated properly.) By default, and with the environment
+# variable setting PHP_FCGI_CHILDREN=0, PHP child process
 # management is disabled.
 PHP_FCGI_CHILDREN=0
 export PHP_FCGI_CHILDREN
@@ -1697,17 +1697,17 @@ EOF
 
    # - X-Frame-Options
    # -
-   # - The X-Frame-Options header (RFC), or XFO header, protects your visitors 
-   # - against clickjacking attacks. An attacker can load up an iframe on their 
-   # - site and set your site as the source, it's quite easy: 
+   # - The X-Frame-Options header (RFC), or XFO header, protects your visitors
+   # - against clickjacking attacks. An attacker can load up an iframe on their
+   # - site and set your site as the source, it's quite easy:
    # -
    # -    <iframe src="https://scotthelme.co.uk"></iframe>
    # -
-   # - Using some crafty CSS they can hide your site in the background and create some 
-   # - genuine looking overlays. When your visitors click on what they think is a harmless 
-   # - link, they're actually clicking on links on your website in the background. That 
-   # - might not seem so bad until we realise that the browser will execute those requests 
-   # - in the context of the user, which could include them being logged in and authenticated 
+   # - Using some crafty CSS they can hide your site in the background and create some
+   # - genuine looking overlays. When your visitors click on what they think is a harmless
+   # - link, they're actually clicking on links on your website in the background. That
+   # - might not seem so bad until we realise that the browser will execute those requests
+   # - in the context of the user, which could include them being logged in and authenticated
    # - to your site!
    # -
    # - Troy Hunt has a great blog on 'Clickjack attack – the hidden threat right in front :
@@ -1715,49 +1715,49 @@ EOF
    # -
    # -    http://www.troyhunt.com/2013/05/clickjack-attack-hidden-threat-right-in.html
    # -
-   # - Valid values include DENY meaning your site can't be framed, SAMEORIGIN which allows 
-   # - you to frame your own site or ALLOW-FROM https://example.com/ which lets you specify 
+   # - Valid values include DENY meaning your site can't be framed, SAMEORIGIN which allows
+   # - you to frame your own site or ALLOW-FROM https://example.com/ which lets you specify
    # -sites that are permitted to frame your own site.
    # -
    Header always set X-Frame-Options "SAMEORIGIN"
 
    # -  X-Xss-Protection
    # -
-   # - This header is used to configure the built in reflective XSS protection found 
-   # - in Internet Explorer, Chrome and Safari (Webkit). Valid settings for the header 
-   # - are 0, which disables the protection, 1 which enables the protection 
-   # - and 1; mode=block which tells the browser to block the response if it 
+   # - This header is used to configure the built in reflective XSS protection found
+   # - in Internet Explorer, Chrome and Safari (Webkit). Valid settings for the header
+   # - are 0, which disables the protection, 1 which enables the protection
+   # - and 1; mode=block which tells the browser to block the response if it
    # - detects an attack rather than sanitising the script.
    # -
    Header always set X-Xss-Protection "1; mode=block"
 
    # - X-Content-Type-Options
    # -
-   # - Nice and easy to configure, this header only has one valid value, nosniff. 
-   # - It prevents Google Chrome and Internet Explorer from trying to mime-sniff 
-   # - the content-type of a response away from the one being declared by the server. 
-   # - It reduces exposure to drive-by downloads and the risks of user uploaded content 
-   # - that, with clever naming, could be treated as a different content-type, like 
+   # - Nice and easy to configure, this header only has one valid value, nosniff.
+   # - It prevents Google Chrome and Internet Explorer from trying to mime-sniff
+   # - the content-type of a response away from the one being declared by the server.
+   # - It reduces exposure to drive-by downloads and the risks of user uploaded content
+   # - that, with clever naming, could be treated as a different content-type, like
    # - an executable.
    # -
    Header always set X-Content-Type-Options "nosniff"
 
    # - Content Security Policy
    # -
-   # - The CSP header allows you to define a whitelist of approved sources of content 
-   # - for your site. By restricting the assets that a browser can load for your site, 
-   # - like js and css, CSP can act as an effective countermeasure to XSS attacks. I 
-   # - have covered CSP in a lot more detail in my blog Content Security Policy - An 
-   # - Introduction (https://scotthelme.co.uk/content-security-policy-an-introduction/). 
+   # - The CSP header allows you to define a whitelist of approved sources of content
+   # - for your site. By restricting the assets that a browser can load for your site,
+   # - like js and css, CSP can act as an effective countermeasure to XSS attacks. I
+   # - have covered CSP in a lot more detail in my blog Content Security Policy - An
+   # - Introduction (https://scotthelme.co.uk/content-security-policy-an-introduction/).
    # -
-   # - Here is a basic policy to enforce TLS on all assets and prevent 
+   # - Here is a basic policy to enforce TLS on all assets and prevent
    # - mixed content warnings.
    # -
    # - Allow Google Analytics, Google AJAX CDN and Same Origin
    # -    script-src 'self' www.google-analytics.com ajax.googleapis.com;
    # -
    # - Emmbedding Google Fonts
-   # -    style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; 
+   # -    style-src 'self' 'unsafe-inline' https://fonts.googleapis.com;
    # -
    # - Allow YouTube Videos (iframe embedded)
    # -     frame-src 'self' https://www.youtube.com
@@ -1767,9 +1767,9 @@ EOF
 
    # - Referrer-Policy
    # -
-   # - The HTTP referer (originally a misspelling of referrer[1]) is an HTTP header 
-   # - field that identifies the address of the webpage (i.e. the URI or IRI) that 
-   # - linked to the resource being requested. By checking the referrer, the new 
+   # - The HTTP referer (originally a misspelling of referrer[1]) is an HTTP header
+   # - field that identifies the address of the webpage (i.e. the URI or IRI) that
+   # - linked to the resource being requested. By checking the referrer, the new
    # - webpage can see where the request originated.
    # -
    Header set  Referrer-Policy "strict-origin-when-cross-origin"
@@ -1889,7 +1889,7 @@ fi
 echononl "\tCreate system user '$VACATION_USER'"
 if ! grep -q "$VACATION_USER" /etc/passwd > /dev/null 2>&1 ; then
    adduser --system --home /var/spool/vacation --no-create-home --uid 65501 --gid 65501  --shell /usr/sbin/nologin $VACATION_USER > "$log_file" 2>&1
-   
+
    if [[ $? -ne 0 ]]; then
       echo_failed
       error "$(cat $log_file)"
@@ -1960,7 +1960,7 @@ fi
 # -
 #echononl "\tWorkaround, because encoding does not work as exspected."
 ## - Vacation script changed. Since Version 3.2 we need another perl regexp.
-## - The old one was: 
+## - The old one was:
 ## -    perl -i -n -p -e "s/(\s*\'ctype\'\s* =>\s*)\'text\/plain.*$/\1\'text\/plain; charset=iso-8859-1\',/" \
 ## -
 ##perl -i -n -p -e "s/(\s*\'Content-Type\'\s* =>\s*)\"text\/plain.*$/\1\"text\/plain; charset=iso-8859-1\",/" \
@@ -1995,7 +1995,7 @@ fi
 # -    /etc/mail/postfixadmin/vacation.conf
 # -    /etc/postfixadmin/vacation.conf
 # -
-# - Instead of changing this script, we put the needed entries 
+# - Instead of changing this script, we put the needed entries
 # - to file /etc/postfixadmin/vacation.conf:
 # -
 echononl "\tCreate directory '/etc/postfixadmin' "
@@ -2101,15 +2101,15 @@ fi
 
 
 # - Create an entry in /etc/hosts for the (non-existant domain)
-# - $AUTOREPLY_HOSTNAME 
-# - 
+# - $AUTOREPLY_HOSTNAME
+# -
 # - add:
 # -
 # -    127.0.0.1 $AUTOREPLY_HOSTNAME
 # -
 echononl "\tCreate entry in /etc/hosts for '$AUTOREPLY_HOSTNAME'"
 if ! grep -q "$AUTOREPLY_HOSTNAME" /etc/hosts > $log_file 2>&1 ; then
-   perl -i -n -p -e"s#(^\s*127.0.0.1\s+localhost.*)#\1\n\n127.0.0.1 ${AUTOREPLY_HOSTNAME}#" /etc/hosts > $log_file 2>&1 
+   perl -i -n -p -e"s#(^\s*127.0.0.1\s+localhost.*)#\1\n\n127.0.0.1 ${AUTOREPLY_HOSTNAME}#" /etc/hosts > $log_file 2>&1
    if [[ $? -eq 0 ]] ; then
       echo_ok
    else
@@ -2120,7 +2120,7 @@ else
    echo_skipped
 fi
 
-# - Define the transport type in the Postfix master file 
+# - Define the transport type in the Postfix master file
 # - /etc/postfix/master.cf
 # -
 # -    vacation    unix  -       n       n       -       -       pipe
@@ -2219,8 +2219,7 @@ else
    pfa_conf_file="${WEBSITE_BASEDIR}/postfixadmin-${PF_ADMIN_VERSION}/config.inc.php"
    cp -a "$pfa_conf_file" "${pfa_conf_file}.ORIG"
 fi
-   
-      
+
 
 # - Use 'Re: $SUBJECT' as the default subject template for vacation
 # - in postfixadmin
@@ -2281,26 +2280,26 @@ else
 fi
 > $log_file
 perl -i -n -p -e "s#^(\s*\\\$CONF\['default_language'\]\s*=.*)#//!\1\n\\\$CONF['default_language'] = 'de';#" \
-  $pfa_conf_file >> $log_file 2>&1  || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1  || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_type'\]\s*=.*)#//!\1\n\\\$CONF['database_type'] = '$_database_type';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_host'\]\s*=.*)#//!\1\n\\\$CONF['database_host'] = 'localhost';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_user'\]\s*=.*)#//!\1\n\\\$CONF['database_user'] = '$POSTFIX_DB_USER';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_password'\]\s*=.*)#//!\1\n\\\$CONF['database_password'] = '$POSTFIX_DB_PASS';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_name'\]\s*=.*)#//!\1\n\\\$CONF['database_name'] = '$POSTFIX_DB_NAME';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['database_prefix'\]\s*=.*)#//!\1\n\\\$CONF['database_prefix'] = '';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['admin_email'\]\s*=.*)#//!\1\n\\\$CONF['admin_email'] = '$WEBMASTER_EMAIL';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['encrypt'\]\s*=.*)#//!\1\n\\\$CONF['encrypt'] = '$ENCRYPTION_METHOD';#" \
-   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+   $pfa_conf_file >> $log_file 2>&1 || _failed=true
 if grep -q -E "^\\\$CONF\['dovecotpw'\]\s*=.*" "$pfa_conf_file" 2> /dev/null ; then
    perl -i -n -p -e "s#^(\\\$CONF\['dovecotpw'\]\s*=.*)#//!\1\n\\\$CONF['dovecotpw'] = '$DOVEADM_PW';#" \
-      $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+      $pfa_conf_file >> $log_file 2>&1 || _failed=true
 else
    cat <<EOF >> $pfa_conf_file
 
@@ -2339,7 +2338,7 @@ echononl "\tAdjust Postfix Admin's Configuration - Part 2"
 _failed=false
 > $log_file
 perl -i -n -p -e "s#^(\s*\\\$CONF\['default_aliases'\]\s*=.*)#//\n//! 'default_aliases' will be overridden - see end of configfile\n//\n\1#" \
-   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+   $pfa_conf_file >> $log_file 2>&1 || _failed=true
 
 cat <<EOF >> $pfa_conf_file 2> $log_file
 
@@ -2359,10 +2358,10 @@ EOF
 
 
 perl -i -n -p -e "s#^(\s*\\\$CONF\['language_hook'\]\s*=.*)#//\n//! 'language_hook' will be overridden - see end of configfile\n//\n\1#" \
-   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+   $pfa_conf_file >> $log_file 2>&1 || _failed=true
 
 perl -i -n -p -e "s#^(\s*\\\$CONF\['password_validation'\]\s*=.*)#//\n//! 'password_validation' will be overridden - see end of configfile\n//\n\1#" \
-   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+   $pfa_conf_file >> $log_file 2>&1 || _failed=true
 
 cat <<EOF >> $pfa_conf_file 2> $log_file
 // Password validation
@@ -2388,19 +2387,19 @@ cat <<EOF >> $pfa_conf_file 2> $log_file
 );
 
 /*
-    language_hook example function 
- 
+    language_hook example function
+
     Called if \$CONF['language_hook'] == '<name_of_the_function>'
     Allows to add or override \$PALANG interface texts.
 
-    If you add new texts, please always prefix them with 'x_' (for example 
+    If you add new texts, please always prefix them with 'x_' (for example
     \$PALANG['x_mytext'] = 'foo') to avoid they clash with texts that might be
     added to languages/*.lang in future versions of PostfixAdmin.
 
     Please also make sure that all your added texts are included in all
     sections - that includes all 'case "XY":' sections and the 'default:'
     section (for users that don't have any of the languages specified
-    in the 'case "XY":' section). 
+    in the 'case "XY":' section).
     Usually the 'default:' section should contain english text.
 
     If you modify an existing text/translation, please consider to report it
@@ -2446,23 +2445,23 @@ EOF
 
 
 perl -i -n -p -e "s#^(\s*\\\$CONF\['domain_path'\]\s*=.*)#//!\1\n\\\$CONF['domain_path'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['domain_in_mailbox'\]\s*=.*)#//!\1\n\\\$CONF['domain_in_mailbox'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['aliases'\]\s*=.*)#//!\1\n\\\$CONF['aliases'] = '100';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['mailboxes'\]\s*=.*)#//!\1\n\\\$CONF['mailboxes'] = '100';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['maxquota'\]\s*=.*)#//!\1\n\\\$CONF['maxquota'] = '0';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['domain_quota_default'\]\s*=.*)#//!\1\n\\\$CONF['domain_quota_default'] = '0';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['quota'\]\s*=.*)#//!\1\n\\\$CONF['quota'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['domain_quota'\]\s*=.*)#//!\1\n\\\$CONF['domain_quota'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['quota_multiplier'\]\s*=.*)#//!\1\n\\\$CONF['quota_multiplier'] = '1048576';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 if $_failed ; then
    echo_failed
    error "$(cat $log_file)"
@@ -2540,8 +2539,8 @@ cat <<EOF >> $pfa_conf_file 2> $log_file
 // ReplyType options
 // If you want to define additional reply options put them in array below.
 // The array has the format   seconds between replies => $PALANG text
-// Special values for seconds are: 
-// 0 => only reply to the first mail while on vacation 
+// Special values for seconds are:
+// 0 => only reply to the first mail while on vacation
 // 1 => reply on every mail
 // 60*60*24*7 => Reply if last autoreply was at least a week ago
 //
@@ -2574,8 +2573,8 @@ fi
 ## -    EOM;
 ## -
 echononl "\tCreate welcome message.."
-if [[ -n "$WELCOME_MESSAGE" ]] ; then 
-   cat <<EOF >> $pfa_conf_file 2> $log_file 
+if [[ -n "$WELCOME_MESSAGE" ]] ; then
+   cat <<EOF >> $pfa_conf_file 2> $log_file
 
 // Welcome Message
 // This message is send to every newly created mailbox.
@@ -2618,35 +2617,35 @@ echononl "\tAdjust Postfix Admin's Configuration - Part 5"
 _failed=false
 > $log_file
 perl -i -n -p -e "s#^(\s*\\\$CONF\['alias_control_admin'\]\s+=.*)#//!\1\n\\\$CONF['alias_control_admin'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['alias_control'\]\s*=.*)#//!\1\n\\\$CONF['alias_control'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['special_alias_control'\]\s*=.*)#//!\1\n\\\$CONF['special_alias_control'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['backup'\]\s*=.*)#//!\1\n\\\$CONF['backup'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['fetchmail'\]\s*=.*)#//!\1\n\\\$CONF['fetchmail'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['user_footer_link'\]\s+=.*)#//!\1\n\\\$CONF['user_footer_link'] = 'https://${WEBSITE_NAME}/main.php';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['footer_text'\]\s+=.*)#//!\1\n\\\$CONF['footer_text'] = 'Main Menu';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['footer_link'\]\s+=.*)#//!\1\n\\\$CONF['footer_link'] = 'http://${WEBSITE_NAME}/main.php';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['emailcheck_resolve_domain'\]\s*=.*)#//!\1\n\\\$CONF['emailcheck_resolve_domain'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['show_status'\]\s*=.*)#//!\1\n\\\$CONF['show_status'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['show_status_key'\]\s*=.*)#//!\1\n\\\$CONF['show_status_key'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['show_undeliverable'\]\s*=.*)#//!\1\n\\\$CONF['show_undeliverable'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['show_popimap'\]\s*=.*)#//!\1\n\\\$CONF['show_popimap'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['used_quotas'\]\s*=.*)#//!\1\n\\\$CONF['used_quotas'] = 'NO';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 perl -i -n -p -e "s#^(\s*\\\$CONF\['new_quota_table'\]\s*=.*)#//!\1\n\\\$CONF['new_quota_table'] = 'YES';#" \
-  $pfa_conf_file >> $log_file 2>&1 || _failed=true 
+  $pfa_conf_file >> $log_file 2>&1 || _failed=true
 if $_failed ; then
    echo_failed
    error "$(cat $log_file)"
@@ -2679,7 +2678,7 @@ fi
 # -    $CONF['configured'] = true;
 echononl "\tSet '\$CONF['configured'] = true'"
 perl -i -n -p -e "s#^(\s*\\\$CONF\['configured'\]\s*=.*)#//!\1\n\\\$CONF['configured'] = true;#" \
-  $pfa_conf_file > $log_file 2>&1 
+  $pfa_conf_file > $log_file 2>&1
 if [[ $? -eq 0 ]] ; then
    echo_ok
 else
@@ -2740,7 +2739,7 @@ echo ""
 
 
 # - AFTER DELETION MAILBOX
-# - 
+# -
 # - activate script for moving a mailbox from the mailboxdirectory
 # - and save it to the backupb directory /var/deleted-maildirs
 # -
@@ -2749,7 +2748,7 @@ echononl "\tCreate folder '${DELETED_MAILBOX_DIR}"
 if [[ ! -d "${DELETED_MAILBOX_DIR}" ]] ; then
    mkdir $DELETED_MAILBOX_DIR > $log_file 2>&1
    if [[ $? -eq 0 ]] ; then
-      echo_ok 
+      echo_ok
    else
       echo_failed
       error "$(cat  $log_file)"
@@ -2803,11 +2802,11 @@ else
 fi
 
 # - Change the posdeletion scripts to your needs:
-# - 
+# -
 # - set:
 # -    basedir=/var/vmail
 # -    trashbase=$DELETED_MAILBOX_DIR
-# -    
+# -
 # -    trashdir="${trashbase}/$2/`date +%F_$H-%M`_${subdir}"
 # -
 echononl "\tAdjust 'postfixadmin-mailbox-postdeletion.sh'"
@@ -2829,9 +2828,9 @@ fi
 
 # - Edit ${WEBSITE_BASEDIR}/htdocs/config.inc.php
 # -
-# - in section add line 
+# - in section add line
 # -    $CONF['mailbox_postdeletion_script']='sudo -u vmail /usr/local/bin/postfixadmin-mailbox-postdeletion.sh';
-# -    
+# -
 echononl "\tAdjust 'config.inc.php' to make script available"
 perl -i -n -p -e "s#^(\s*[/*]?\s*\\\$CONF\['mailbox_postdeletion_script'\]\s*=.*)#//!\1\n\\\$CONF['mailbox_postdeletion_script'] = 'sudo -u vmail /usr/local/bin/postfixadmin-mailbox-postdeletion.sh';#" \
    $pfa_conf_file > $log_file 2>&1
@@ -2894,7 +2893,7 @@ fi
 
 
 # - AFTER DELETION MAILDOMIAN
-# - 
+# -
 # - activate script for moving a mailbox from the mailboxdirectory
 # - and save it to the backupb directory $DELETED_DOMAINS_DIR
 # -
@@ -2903,7 +2902,7 @@ echononl "\tCreate folder '${DELETED_DOMAINS_DIR}"
 if [[ ! -d "${DELETED_DOMAINS_DIR}" ]] ; then
    mkdir $DELETED_DOMAINS_DIR > $log_file 2>&1
    if [[ $? -eq 0 ]] ; then
-      echo_ok 
+      echo_ok
    else
       echo_failed
       error "$(cat  $log_file)"
@@ -2960,11 +2959,11 @@ fi
 
 
 # - Change the posdeletion scripts to your needs:
-# - 
+# -
 # - set:
 # -    basedir=/var/vmail
 # -    trashbase=$DELETED_DOMAINS_DIR
-# -    
+# -
 # -    trashdir="${trashbase}/`date +%F_%H-%M`_$1"
 # -
 echononl "\tAdjust 'postfixadmin-domain-postdeletion.sh'"
@@ -2985,9 +2984,9 @@ fi
 
 # - edit ${WEBSITE_BASEDIR}/htdocs/config.inc.php
 # -
-# - in section add line 
+# - in section add line
 # -    $CONF['domain_postdeletion_script']='sudo -u vmail /usr/local/bin/postfixadmin-domain-postdeletion.sh';
-# -    
+# -
 echononl "\tAdjust 'config.inc.php' to make script available"
 perl -i -n -p -e "s#^(\s*[/*]?\s*\\\$CONF\['domain_postdeletion_script'\]\s*=.*)#//!\1\n\\\$CONF['domain_postdeletion_script'] = 'sudo -u vmail /usr/local/bin/postfixadmin-domain-postdeletion.sh';#" \
    $pfa_conf_file >> $log_file 2>&1
@@ -3054,9 +3053,9 @@ fi
 ## - specified database.
 ## -
 ## - Now you have to setup Postfix to recognize all these entries. To do so,
-## - you must specify database requests (in different files) and load them 
+## - you must specify database requests (in different files) and load them
 ## - into Postfix configuration. In particular that are the following files:
-## - 
+## -
 ## -    pgsql_relay-domain-maps.cf
 ## -    pgsql_sender_login_maps.cf
 ## -    pgsql_transport_maps.cf
@@ -3498,7 +3497,7 @@ echononl "\tCreate file '/etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_address_r
 if [ "$POSTFIX_DB_TYPE" = "pgsql" ]; then
 
    cat <<EOF > /etc/postfix/${POSTFIX_DB_TYPE}_virtual_alias_address_rewriting.cf
-## - this address rewriting acts as address extension 
+## - this address rewriting acts as address extension
 ## - with delimeter "-"
 ## -
 hosts           = $POSTFIX_DB_HOST_PGSQL
@@ -3690,14 +3689,14 @@ info "Browse to \033[1mhttps://${WEBSITE_NAME}/setup.php\033[m to create a 'setu
 
 \t          Instructions on how to do this are pointed out at the setup site, maybe like this:
 
-\t             - Generate setup_password hash and set \033[1m$CONF['setup_password']\033[m 
+\t             - Generate setup_password hash and set \033[1m$CONF['setup_password']\033[m
 \t               in file \033[1mconfig.local.php\033[m as printed out.
 
 \t             - Browse to \033[1mhttp://${WEBSITE_NAME}/setup.php\033[m once again to update
 \t               the database
 
 
-\t          Browse to \033[1mhttp://${WEBSITE_NAME}\033[m and login using an existent admin account 
+\t          Browse to \033[1mhttp://${WEBSITE_NAME}\033[m and login using an existent admin account
 
 
 \t[ \033[33m\033[1mNotice\033[m ]:  \033[1mScroll back to see if all seems to be fine!\033[m
@@ -3751,7 +3750,7 @@ dbname          = postfix
 query  = SELECT quota FROM mailbox WHERE username='%s' AND active = true
 EOF
 
-## - add configuration parameter virtual_mailbox_limit_maps 
+## - add configuration parameter virtual_mailbox_limit_maps
 ## - in Postfix /etc/postfix/main.cf
 ## -
 ## - add: