diff --git a/install_update_dovecot.sh b/install_update_dovecot.sh
index caf04fb..7b89d06 100755
--- a/install_update_dovecot.sh
+++ b/install_update_dovecot.sh
@@ -910,8 +910,8 @@ fi
 
 ## - edit /usr/local/dovecot/etc/dovecot/conf.d/10-master.conf
 ## -
-## -    default_process_limit = 200
-## -    default_client_limit = 2000
+## -    default_process_limit = 1024
+## -    default_client_limit = 10240
 ## -
 ## -    default_vsz_limit = 512M
 ## -
@@ -1009,9 +1009,9 @@ fi
 
 ## - setting default prozcess/client limit
 ## -
-perl -i -n -p -e "s#^([ ]*\#?[ ]*)(default_process_limit.*)#\1\2\ndefault_process_limit = 200#g" \
+perl -i -n -p -e "s#^([ ]*\#?[ ]*)(default_process_limit.*)#\1\2\ndefault_process_limit = 1024#g" \
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf || _failed=true
-perl -i -n -p -e "s#^([ ]*\#?[ ]*)(default_client_limit.*)#\1\2\ndefault_client_limit = 2000#g" \
+perl -i -n -p -e "s#^([ ]*\#?[ ]*)(default_client_limit.*)#\1\2\ndefault_client_limit = 10240#g" \
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-master.conf || _failed=true
 
 perl -i -n -p -e "s#^([ ]*\#?[ ]*)(default_vsz_limit.*)#\1\2\ndefault_vsz_limit = 512M#g" \
@@ -1084,6 +1084,8 @@ fi
 ## -
 ## -    first_valid_uid = 5000
 ## -    last_valid_uid = 5000
+## -
+## -    mail_temp_dir = /var/vmail/tmp
 ## -    
 ## -    first_valid_gid = 5000
 ## -    last_valid_gid = 5000
@@ -1099,6 +1101,8 @@ perl -i -n -p -e "s#^([ ]*)\#?\ ?(mail_uid.*)#\1\#\# \2\n\1mail_uid = vmail#g" \
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-mail.conf || _failed=true
 perl -i -n -p -e "s#^([ ]*)\#?\ ?(mail_gid.*)#\1\#\# \2\n\1mail_gid = vmail#g" \
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-mail.conf || _failed=true
+perl -i -n -p -e "s#^([ ]*)\#?\ ?(mail_temp_dir.*)#\1\#\# \2\n\1mail_temp_dir = mail_temp_dir#g" \
+   /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-mail.conf || _failed=true
 perl -i -n -p -e "s#^([ ]*)\#?\ ?(first_valid_uid.*)#\1\#\# \2\n\1first_valid_uid = 5000#g" \
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-mail.conf || _failed=true
 perl -i -n -p -e "s#^([ ]*)\#?\ ?(last_valid_uid.*)#\1\#\# \2\n\1last_valid_uid = 5000#g" \
@@ -1113,6 +1117,28 @@ perl -i -n -p -e "s#^([ ]*)\#?\ ?(mail_plugins\ +=.*)#\1\#\# \2\n\1mail_plugins
    /usr/local/dovecot-${_version}/etc/dovecot/conf.d/10-mail.conf || _failed=true
 
 
+echononl "\tCreate TEMP directory '/var/vmail/tmp' .."
+if [[ ! -d /var/vmail/tmp ]] ; then
+   mkdir /var/vmail/tmp > /dev/null 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo -e "$rc_done"
+   else
+      echo -e "$rc_failed"
+      error "Creating TEMP directory '/var/vmail/tmp' failed."
+   fi
+else
+   echo -e "$rc_skipped"
+fi
+
+echononl "\tChange ownerchip of directory '/var/vmail/tmp' .."
+chown vmail:vmail /var/vmail/tmp > /dev/null 2>&1
+if [[ $? -eq 0 ]]; then
+   echo -e "$rc_done"
+else
+   echo -e "$rc_failed"
+   error "Changing ownerchip of directory '/var/vmail/tmp' failed."
+fi
+
 ## - edit /usr/local/dovecot/etc/dovecot/conf.d/10-mail.conf
 ## -
 ## - comment out namespace section "namespace inbox". we will create namespaces later.
@@ -3281,18 +3307,19 @@ if [ "y" = "$_restart" -o "Y" = "$_restart" -o "Yes" = "$_restart" -o "yes" = "$
 fi
 
 
-echo "
+echo -e "
 
-Notice:
-If you want to support more than 128 simultanously connections (the default),
-you have to increase \"/proc/sys/fs/inotify/max_user_instances\".
+\033[33m\033[1mNotice:\033[m
+The Dovecot Service is configured to support more than 128 simultanously connections.
 
-If you are running dovecot on a VServer Guest System, you have to do that on the
-VServer Root System:
+So, you have to \033[1mincrease /proc/sys/fs/inotify/max_user_instances\033[m (default is 128):
 
-   # echo \"fs.inotify.max_user_instances = 1024\" >> /etc/sysctl.conf
+   # echo \"fs.inotify.max_user_instances = 2048\" >> /etc/sysctl.conf
    # sysctl -p
 
+If you are running dovecot on a Virtual Guest System, you have to do that on the
+Host (Root) System.
+
 "
 echo ""