diff --git a/data/web/css/site/mailbox.css b/data/web/css/site/mailbox.css
index f62ead31..e896abca 100644
--- a/data/web/css/site/mailbox.css
+++ b/data/web/css/site/mailbox.css
@@ -66,4 +66,6 @@ table tbody tr td input[type="checkbox"] {
   padding: .2em .4em .3em !important;
   background-color: #ececec!important;
 }
-
+.badge.bg-info .bi {
+  font-size: inherit;
+}
diff --git a/data/web/css/themes/mailcow-darkmode.css b/data/web/css/themes/mailcow-darkmode.css
index 6e0db0e9..abaa7499 100644
--- a/data/web/css/themes/mailcow-darkmode.css
+++ b/data/web/css/themes/mailcow-darkmode.css
@@ -20,6 +20,11 @@ legend {
     background-color: #7a7a7a !important;
     border-color: #5c5c5c !important;
 }
+.btn-dark {
+  color: #000 !important;;
+  background-color: #f6f6f6 !important;;
+  border-color: #ddd !important;;
+}
 .btn-check:checked+.btn-secondary, .btn-check:active+.btn-secondary, .btn-secondary:active, .btn-secondary.active, .show>.btn-secondary.dropdown-toggle {
     border-color: #7a7a7a !important;
 }
@@ -299,22 +304,22 @@ a:hover {
 }
 
 
-table.dataTable.dtr-inline.collapsed>tbody>tr>td.dtr-control:before:hover, 
+table.dataTable.dtr-inline.collapsed>tbody>tr>td.dtr-control:before:hover,
 table.dataTable.dtr-inline.collapsed>tbody>tr>th.dtr-control:before:hover {
   background-color: #7a7a7a !important;
 }
-table.dataTable.dtr-inline.collapsed>tbody>tr>td.dtr-control:before, 
+table.dataTable.dtr-inline.collapsed>tbody>tr>td.dtr-control:before,
 table.dataTable.dtr-inline.collapsed>tbody>tr>th.dtr-control:before {
   background-color: #7a7a7a !important;
   border: 1.5px solid #5c5c5c !important;
   color: #fff !important;
 }
-table.dataTable.dtr-inline.collapsed>tbody>tr.parent>td.dtr-control:before, 
+table.dataTable.dtr-inline.collapsed>tbody>tr.parent>td.dtr-control:before,
 table.dataTable.dtr-inline.collapsed>tbody>tr.parent>th.dtr-control:before {
   background-color: #949494;
 }
-table.dataTable.dtr-inline.collapsed>tbody>tr>td.child, 
-table.dataTable.dtr-inline.collapsed>tbody>tr>th.child, 
+table.dataTable.dtr-inline.collapsed>tbody>tr>td.child,
+table.dataTable.dtr-inline.collapsed>tbody>tr>th.child,
 table.dataTable.dtr-inline.collapsed>tbody>tr>td.dataTables_empty {
   background-color: #444444;
 }
@@ -327,7 +332,7 @@ table.dataTable.dtr-inline.collapsed>tbody>tr>td.dataTables_empty {
 }
 .btn.btn-outline-secondary {
   color: #fff !important;
-  border-color: #7a7a7a !important;  
+  border-color: #7a7a7a !important;
 }
 .btn-check:checked+.btn-outline-secondary, .btn-check:active+.btn-outline-secondary, .btn-outline-secondary:active, .btn-outline-secondary.active, .btn-outline-secondary.dropdown-toggle.show {
     background-color: #9b9b9b !important;
diff --git a/data/web/js/site/mailbox.js b/data/web/js/site/mailbox.js
index f4039268..936ad488 100644
--- a/data/web/js/site/mailbox.js
+++ b/data/web/js/site/mailbox.js
@@ -1952,6 +1952,10 @@ jQuery(function($){
     table.on('responsive-resize', function (e, datatable, columns){
       hideTableExpandCollapseBtn('#tab-mbox-aliases', '#alias_table');
     });
+    
+    table.on( 'draw', function (){
+        $('#alias_table [data-bs-toggle="tooltip"]').tooltip();
+    });
   }
   function draw_aliasdomain_table() {
     // just recalc width if instance already exists
diff --git a/data/web/lang/lang.cs-cz.json b/data/web/lang/lang.cs-cz.json
index 5e119fbd..712b8c77 100644
--- a/data/web/lang/lang.cs-cz.json
+++ b/data/web/lang/lang.cs-cz.json
@@ -105,7 +105,8 @@
         "timeout2": "Časový limit pro připojení k lokálnímu serveru",
         "username": "Uživatelské jméno",
         "validate": "Ověřit",
-        "validation_success": "Úspěšně ověřeno"
+        "validation_success": "Úspěšně ověřeno",
+        "tags": "Štítky"
     },
     "admin": {
         "access": "Přístupy",
@@ -333,7 +334,11 @@
         "username": "Uživatelské jméno",
         "validate_license_now": "Ověřit GUID na licenčním serveru",
         "verify": "Ověřit",
-        "yes": "✓"
+        "yes": "✓",
+        "f2b_ban_time_increment": "Délka banu je prodlužována s každým dalším banem",
+        "f2b_max_ban_time": "Maximální délka banu (s)",
+        "ip_check": "Kontrola IP",
+        "ip_check_disabled": "Kontrola IP je vypnuta. Můžete ji zapnout v <br> <strong>System > Nastavení > Options > Přizpůsobení</strong>"
     },
     "danger": {
         "access_denied": "Přístup odepřen nebo jsou neplatná data ve formuláři",
diff --git a/data/web/templates/edit/mailbox.twig b/data/web/templates/edit/mailbox.twig
index 36fe053b..f8cde7da 100644
--- a/data/web/templates/edit/mailbox.twig
+++ b/data/web/templates/edit/mailbox.twig
@@ -109,25 +109,25 @@
         <label class="control-label col-sm-2">{{ lang.user.quarantine_notification }}</label>
         <div class="col-sm-10">
           <div class="btn-group" data-acl="{{ acl.quarantine_notification }}">
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'never' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'never' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"never"}'>{{ lang.user.never }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'hourly' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'hourly' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"hourly"}'>{{ lang.user.hourly }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'daily' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'daily' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"daily"}'>{{ lang.user.daily }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'weekly' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'weekly' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_notification"
@@ -141,19 +141,19 @@
         <label class="control-label col-sm-2">{{ lang.user.quarantine_category }}</label>
         <div class="col-sm-10">
           <div class="btn-group" data-acl="{{ acl.quarantine_category }}">
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'reject' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'reject' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_category"
             data-api-url='edit/quarantine_category'
             data-api-attr='{"quarantine_category":"reject"}'>{{ lang.user.q_reject }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'add_header' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'add_header' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_category"
             data-api-url='edit/quarantine_category'
             data-api-attr='{"quarantine_category":"add_header"}'>{{ lang.user.q_add_header }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'all' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'all' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailbox }}"
             data-id="quarantine_category"
@@ -167,13 +167,13 @@
         <label class="control-label col-sm-2" for="sender_acl">{{ lang.user.tls_policy }}</label>
         <div class="col-sm-10">
           <div class="btn-group" data-acl="{{ acl.tls_policy }}">
-            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-secondary{% if get_tls_policy.tls_enforce_in == '1' %} active"{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-light{% if get_tls_policy.tls_enforce_in == '1' %} btn-dark"{% endif %}"
               data-action="edit_selected"
               data-item="{{ mailbox }}"
               data-id="tls_policy"
               data-api-url='edit/tls_policy'
               data-api-attr='{"tls_enforce_in": {% if get_tls_policy.tls_enforce_in == '1' %}0{% else %}1{% endif %} }'>{{ lang.user.tls_enforce_in }}</button>
-            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-secondary{% if get_tls_policy.tls_enforce_out == '1' %} active"{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-light{% if get_tls_policy.tls_enforce_out == '1' %} btn-dark"{% endif %}"
               data-action="edit_selected"
               data-item="{{ mailbox }}"
               data-id="tls_policy"
diff --git a/data/web/templates/user/tab-user-settings.twig b/data/web/templates/user/tab-user-settings.twig
index a1426fa2..1dcfed98 100644
--- a/data/web/templates/user/tab-user-settings.twig
+++ b/data/web/templates/user/tab-user-settings.twig
@@ -12,19 +12,19 @@
         <div class="col-sm-3 col-12 text-sm-end text-start text-xs-bold mb-4">{{ lang.user.tag_handling }}:</div>
         <div class="col-sm-9 col-12">
           <div class="btn-group" data-acl="{{ acl.delimiter_action }}">
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if get_tagging_options == 'subfolder' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if get_tagging_options == 'subfolder' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="delimiter_action"
             data-api-url='edit/delimiter_action'
             data-api-attr='{"tagged_mail_handler":"subfolder"}'>{{ lang.user.tag_in_subfolder }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if get_tagging_options == 'subject' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if get_tagging_options == 'subject' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="delimiter_action"
             data-api-url='edit/delimiter_action'
             data-api-attr='{"tagged_mail_handler":"subject"}'>{{ lang.user.tag_in_subject }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if get_tagging_options == 'none' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if get_tagging_options == 'none' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="delimiter_action"
@@ -40,13 +40,13 @@
         <div class="col-sm-3 col-12 text-sm-end text-start text-xs-bold mb-4">{{ lang.user.tls_policy }}:</div>
         <div class="col-sm-9 col-12">
           <div class="btn-group" data-acl="{{ acl.tls_policy }}">
-            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-secondary{% if get_tls_policy.tls_enforce_in == '1' %} active"{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-light{% if get_tls_policy.tls_enforce_in == '1' %} btn-dark"{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="tls_policy"
             data-api-url='edit/tls_policy'
             data-api-attr='{"tls_enforce_in": {% if get_tls_policy.tls_enforce_in == '1' %}0{% else %}1{% endif %} }'>{{ lang.user.tls_enforce_in }}</button>
-            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-secondary{% if get_tls_policy.tls_enforce_out == '1' %} active"{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-half d-block d-sm-inline btn-light{% if get_tls_policy.tls_enforce_out == '1' %} btn-dark"{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="tls_policy"
@@ -61,25 +61,25 @@
         <div class="col-sm-3 col-12 text-sm-end text-start text-xs-bold mb-4">{{ lang.user.quarantine_notification }}:</div>
         <div class="col-sm-9 col-12">
           <div class="btn-group" data-acl="{{ acl.quarantine_notification }}">
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'never' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'never' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"never"}'>{{ lang.user.never }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'hourly' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'hourly' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"hourly"}'>{{ lang.user.hourly }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'daily' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'daily' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_notification"
             data-api-url='edit/quarantine_notification'
             data-api-attr='{"quarantine_notification":"daily"}'>{{ lang.user.daily }}</button>
-            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary{% if quarantine_notification == 'weekly' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light{% if quarantine_notification == 'weekly' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_notification"
@@ -93,19 +93,19 @@
         <div class="col-sm-3 col-12 text-sm-end text-start text-xs-bold mb-4">{{ lang.user.quarantine_category }}:</div>
         <div class="col-sm-9 col-12">
           <div class="btn-group" data-acl="{{ acl.quarantine_category }}">
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'reject' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'reject' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_category"
             data-api-url='edit/quarantine_category'
             data-api-attr='{"quarantine_category":"reject"}'>{{ lang.user.q_reject }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'add_header' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'add_header' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_category"
             data-api-url='edit/quarantine_category'
             data-api-attr='{"quarantine_category":"add_header"}'>{{ lang.user.q_add_header }}</button>
-            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-secondary{% if quarantine_category == 'all' %} active{% endif %}"
+            <button type="button" class="btn btn-sm btn-xs-third d-block d-sm-inline btn-light{% if quarantine_category == 'all' %} btn-dark{% endif %}"
             data-action="edit_selected"
             data-item="{{ mailcow_cc_username }}"
             data-id="quarantine_category"