diff --git a/install_binaries.sh b/install_binaries.sh
index 2c0e8aa..a08e402 100755
--- a/install_binaries.sh
+++ b/install_binaries.sh
@@ -79,6 +79,7 @@ if [ ! -e /var/www/mail/www/squirrelmail/plugins/check_quota/ ]; then
 	rm check_quota-2.2-1.4.0.tar.gz
 	cd $workingdir
 	cp squirrelmail_plugin_hooks.php /var/www/mail/www/squirrelmail/config/plugin_hooks.php
+	patch -p1 -d /var/www/html/mail/squirrelmail/plugins/check_quota/ < squirrelmail_check_quota.patch
 fi
 
 # install snappymail
diff --git a/squirrelmail_check_quota.patch b/squirrelmail_check_quota.patch
new file mode 100644
index 0000000..c7d747d
--- /dev/null
+++ b/squirrelmail_check_quota.patch
@@ -0,0 +1,458 @@
+diff -ruN check_quota_old/config.php check_quota/config.php
+--- check_quota_old/config.php	1970-01-01 01:00:00.000000000 +0100
++++ check_quota/config.php	2023-05-22 08:47:49.000000000 +0200
+@@ -0,0 +1,409 @@
++<?php
++
++/*
++ * This is the configuration file for Check Quota Plugin.
++ * You can edit the options here to suit your needs.
++ * Please make sure you read the INSTALL file before configuring 
++ * these options.
++*/
++
++global $settings;
++$settings = array();
++
++
++/*******************************
++ * Quota Configuration Options *
++ *******************************/
++
++/*
++ * Use UNIX (filesystem), IMAP-based or cPanel (experimental) quotas?
++ * If you use UNIX (filesystem) quotas, you should set this to 0.
++ * If you use IMAP-based quotas, you should set this to 1.
++ * If you use cPanel quotas, you should set this to 2.
++ *
++ * Default: UNIX (filesystem) quotas
++ * 0: UNIX / 1: IMAP / 2: cPanel
++*/
++
++$settings['quota_type'] = 1;
++
++
++/*
++ * If you are using UNIX (filesystem) quotas, set the path 
++ * to the "sudo" binary here.  See INSTALL for instructions.
++*/
++
++$settings['sudo_binary'] = '/usr/bin/sudo';
++
++
++/*
++ * If you are using UNIX quotas, set the path to the "quota"
++ *  binary here.  See INSTALL for instructions.
++*/
++
++$settings['quota_binary'] = '/usr/bin/quota';
++
++
++/*
++ * If you are using UNIX quotas and your IMAP server and web server
++ * are on different physical machines (i.e. you want to check UNIX
++ * quotas remotely) set this to 1.  See INSTALL for instructions.
++ *
++ * This setting is only used for UNIX quotas.
++ *
++ * Default: Check on local server
++ * 0: Check on local server / 1: Check on remote server
++*/
++
++$settings['check_unix_on_remote_server'] = 0;
++
++
++/*
++ * If you are using UNIX quotas and your IMAP server and web server 
++ * are on different physical machines (i.e. you want to check UNIX 
++ * quotas remotely) set the path to the "ssh" binary here.  See INSTALL 
++ * for instructions.
++ *
++ * This setting is only used for remote UNIX quotas.
++*/
++
++$settings['ssh_binary'] = '/usr/bin/ssh';
++
++
++/*
++ * If you are using UNIX quotas and your IMAP server and web server 
++ * are on different physical machines (i.e. you want to check UNIX
++ * quotas remotely) set the username that will check quotas on your 
++ * IMAP server here.  See INSTALL for instructions.
++ *
++ * This setting is only used for remote UNIX quotas.
++*/
++
++$settings['remote_unix_user'] = 'cquotauser';
++
++
++/*
++ * If you are using UNIX quotas and your IMAP server and web server
++ * are on different physical machines (i.e. you want to check UNIX
++ * quotas remotely) set the IP address or hostname of your IMAP 
++ * server here.  See INSTALL for instructions.
++ *
++ * This setting is only used for remote UNIX quotas.
++*/
++
++$settings['remote_unix_server'] = '192.168.1.1';
++
++
++/*
++ * If you are using cPanel quotas, set the path to the "du" binary 
++ * here.  See INSTALL for instructions.
++*/
++
++$settings['du_binary'] = '/usr/bin/du';
++
++
++/*
++ * If you are using cPanel quotas, set the cPanel root path here.
++ * See INSTALL for instructions.
++*/
++
++$settings['cpanel_root'] = '/path/to/cpanel/root';
++
++
++/*
++ * If you want to use a separate IMAP connection when checking your
++ * quota, set this variable to 1, else, set it to 0
++ *
++ * This will be a waste of resources if there already is an open
++ * IMAP connection to your server. So, most probably you will not need
++ * to adjust this variable in most occasions.
++ *
++ * Default: Do not use separate IMAP connection
++ * 0: Do not use separate connection / 1: Use separate connection
++*/
++
++$settings['use_separate_imap_connection'] = 0;
++
++/***************************
++ * General Display Options *
++ ***************************/
++
++/*
++ * Which graph type do you prefer?
++ *
++ * You have three options here.  You can use HTML tables, GD images, 
++ * or Flash graphics.
++ *
++ * GD images can only be generated if you have GD support built into
++ * PHP (--with-gd).  For more information on how to install GD support
++ * in PHP, see: 
++ *
++ * http://www.php.net/manual/ref.image.php
++ *
++ * If your server doesn't have GD png, gif or jpg support but you enable GD
++ * graphics, the plugin will revert to HTML tables.
++ *
++ * As SquirrelMail is a pure PHP-driven webmail program, and some people do
++ * not have GD support in PHP, default is HTML tables.
++ *
++ * You will get the most satisfying graph output with GD or Flash graphs.
++ *
++ * Default: Use HTML
++ * 0: Use HTML / 1: Use GD / 2: Use Flash 
++*/
++
++$settings['graph_type'] = 0;
++
++
++/*
++ * Will the quota information be shown above or below the folders list?
++ *
++ * Default: Above
++ * 0: Below / 1: Above
++*/
++
++$settings['info_above_folders_list'] = 1;
++
++
++/*
++ * Font size for quota information displayed on the folder pane.
++ * Must be a positive or negative integer value.
++ *
++ * Default: -2
++*/
++
++$settings['font_size'] = -2;
++
++
++/*
++ * Alignment for the graph and text information on the folder pane.  
++ * This can be "left", "center" or "right".
++ *
++ * Default: "left"
++*/
++
++$settings['graph_alignment'] = 'left';  
++
++
++/*
++ * Whether or not to use horizontal rules to seperate quota information
++ * from other information on the folder pane.
++ *
++ * Default: No
++ * 0: No / 1: Yes
++*/
++
++$settings['use_hr'] = 0;
++
++
++/*
++ * Whether or not to show the introductory "Quota Usage" text for 
++ * size-based quotas and the "File Usage" text for count-based quotas 
++ * displayed on the folder pane.
++ *
++ * Default: On
++ * 0: Off / 1: On
++*/
++
++$settings['show_intro_texts'] = 1;
++
++
++/*
++ * Show the quota details above or below the quota graph?
++ *
++ * Default: Below
++ * 0: Below / 1: Above
++*/
++
++$settings['details_above_graph'] = 0;
++
++
++/*
++ * Whether to show used space (in KB, MB or GB depending on usage) for
++ * size-based quotas and file count for count-based quotas instead of
++ * percent usage in the information displayed on the folder pane.
++ * 
++ * Default: Show percent   
++ * 0: Show percent / 1: Show size/count
++*/
++
++$settings['show_quantity_instead_of_percent'] = 0;
++
++
++/*
++ * Quota percent thresholds.  If the user's usage is more than one 
++ * of these, the graph will use a different color and you also have 
++ * the option to show a warning in the SquirrelMail "MOTD" display 
++ * area when the user logs in.
++ *
++ * These must be positive integers.
++ *
++ * Defaults: Yellow: 70% / Red: 90%
++*/
++ 
++$settings['yellow_alert_limit'] = 70;
++$settings['red_alert_limit'] = 90;
++
++
++/*
++ * Yellow alert login warning option.  When turned on and when the 
++ * user's usage exceeds the yellow alert threshold (see above), a 
++ * warning message will be displayed in the SquirrelMail "MOTD" area
++ * when he/she logs on.
++ *
++ * Default: On
++ * 0: Off / 1: On
++*/
++
++$settings['show_yellow_alert_motd'] = 1;
++
++
++/*
++ * Red alert login warning option.  When turned on and when the 
++ * user's usage exceeds the red alert threshold (see above), a 
++ * warning message will be displayed in the SquirrelMail "MOTD" area
++ * when he/she logs on.
++ *
++ * Default: On
++ * 0: Off / 1: On
++*/
++
++$settings['show_red_alert_motd'] = 1;
++
++
++/*
++ * If your quotas are set based on 1 MB = 1000 KB, you may want to 
++ * turn this option on.  Otherwise, 1 MB = 1024 KB will be used for 
++ * all quota calculations, which is the generally accepted convention.
++ *
++ * Default: Off
++ * 0: Off (1MB = 1024KB) / 1: On (1MB = 1000KB)
++*/
++
++$settings['use_1000KB_per_MB'] = 0;
++
++
++/*
++ * Whether or not to show filesystem names.  This setting 
++ * is only used for UNIX (filesystem) quotas.
++ *
++ * This is useful when you have more than one filesystem 
++ * which have quotas for your users.                  
++ * 
++ * When set to "1" filesystem aliases override filesystem names.
++ * 
++ * Default: Off
++ * 0: Off
++ * 1: Show filesystem name or alias if an alias is set for that filesystem   
++*/                  
++ 
++$settings['show_filesystems'] = 0;
++
++
++/********************
++ * Override Options *
++ ********************/
++ 
++/*
++ * You can use this list to map different names to your filesystems.  For
++ * example, you can display "Mail Folder" instead of the filesystem name 
++ * "/dev/hda4".  Leave this empty if you don't want to set up any such 
++ * aliases.  If "show_filesystems" is set to "0" this list will have no 
++ * meaning.
++ *
++ * This setting is only used for UNIX quotas.
++ *
++ * If you use this setting, make sure to replace "/dev/hda8" and "/dev/sda1"
++ * below with the filesystems that are appropriate on your system.
++*/
++
++$settings['fs_alias'] = array (
++                               '/dev/hda8' => 'Mail',
++                               '/dev/sda6' => 'Data',
++                              );
++
++
++/*
++ * You can use this list to exclude some filesystems in your quota output.
++ * This allows you to only show quota information for the filesystem that
++ * your mail accounts reside on, to avoid confusion.
++ *
++ * You don't need to add filesystems which do not have any
++ * quota support here.
++ *
++ * You will need to write the exact filesystem name and, if you want to
++ * hide that filesystem, you will need to set its value to 1.  If you want
++ * to show that filesystem, you can remove its entry from this list, or
++ * you can set its value to 0.
++ *
++ * This setting is only used for UNIX quotas.
++ *
++ * If you use this setting, make sure to replace "/dev/hda8" and "/dev/sda1"
++ * below with the filesystems that are appropriate on your system.
++*/
++
++$settings['exclude_fs'] = array (
++                                 '/dev/hda8' => 1,
++                                 '/dev/sda6' => 0,
++                                );
++
++
++/*
++ * Some IMAP servers use dynamic quotas, so the users may not be able to
++ * see their true quotas.  In this situation you can override the max quota
++ * information returned by the plugin with these variables.  For size-based
++ * quotas, change "imap_size_quota", for count-based quotas, change
++ * "imap_count_quota".
++ *
++ * Leave blank for server returned quota information to be displayed.
++ *
++ * This setting is only used for IMAP quotas.
++ * 
++ * NOTE: Values must be entered in Kilobytes.
++*/
++ 
++$settings['imap_size_quota']  = '';
++$settings['imap_count_quota'] = '';
++
++
++/*
++ * As cPanel quotas work differently from UNIX or IMAP quotas, we have to
++ * use "du" to calculate these type of quotas.  Using "du" can be very
++ * exhaustive for a slow or loaded server.  So as a default, we calculate
++ * cPanel quotas only once for a logged in user.  To refresh the quota
++ * information the user has to log out and log in again.  This option
++ * overrides this behavior and refreshes cPanel quota information on every
++ * refresh of the folders list.
++ *
++ * CAUTION: enabling this may place unnecessarily high load on your server.
++ *
++ * cPanel quota information is always refreshed on the troubleshooting page,
++ * regardless of this option.
++ *
++ * This setting is only used for cPanel quotas.
++ *
++ * Default: Off
++ * 0: Off; calculate quota once at time of login
++ * 1: Always refresh cPanel information
++*/
++
++$settings['always_refresh_cpanel'] = 0;
++
++ 
++/********************
++ * Troubleshooting  *
++ ********************/
++
++/*
++ * Turn this on to see troubleshooting output from server for help
++ * debugging your Check Quota settings.  This will add a link to 
++ * the "Options" page with the name "Check Quota Troubleshooting".  
++ * You should always turn this off when Check Quota is working as 
++ * intended.
++ *
++ * Default: Off
++ * 0: Off / 1: On
++*/
++
++$settings['troubleshoot'] = 1;
++
+diff -ruN check_quota_old/functions.php check_quota/functions.php
+--- check_quota_old/functions.php	2007-08-04 16:58:53.000000000 +0200
++++ check_quota/functions.php	2023-05-22 08:14:04.000000000 +0200
+@@ -143,10 +143,11 @@
+   */
+ function check_quota_motd($args)
+ {
++  global $currentHookName;
+   if ( !sqgetGlobalVar('just_logged_in', $just_logged_in, SQ_SESSION) || empty($just_logged_in) )
+     return FALSE;
+ 
+-  if ( get_current_hook_name($args) != 'right_main_after_header' || !sqGetGlobalVar('check_quota_motd_displayed', $check_quota_motd_displayed, SQ_SESSION) || empty($check_quota_motd_displayed) )
++  if ( $currentHookName !== 'right_main_after_header' || !sqGetGlobalVar('check_quota_motd_displayed', $check_quota_motd_displayed, SQ_SESSION) || empty($check_quota_motd_displayed) )
+   {
+     global $check_quota;
+ 
+@@ -214,7 +215,7 @@
+     * settings and checks the user's quota.
+     *
+     */
+-  function CheckQuota()
++  function __construct()
+   {
+     $this->reset_debug();
+     $this->load_settings();
+@@ -230,7 +231,6 @@
+     global $settings;
+ 
+     include_once(SM_PATH . 'plugins/check_quota/config.php');
+-
+     $this->settings = $settings;
+     unset ($settings);
+   }  
+diff -ruN check_quota_old/troubleshoot.php check_quota/troubleshoot.php
+--- check_quota_old/troubleshoot.php	2007-08-06 11:16:29.000000000 +0200
++++ check_quota/troubleshoot.php	2023-05-22 07:55:31.000000000 +0200
+@@ -42,7 +42,7 @@
+ if ( empty($check_quota->settings['troubleshoot']) )
+ {
+   unset($check_quota);
+-  exit();
++//  exit();
+ }
+ 
+ $cq_to = '<tr><td colspan="2" bgcolor="' . $color[4] . '" align="center"><font color="' . $color[8] . '"><b>';