diff --git a/data/web/inc/functions.inc.php b/data/web/inc/functions.inc.php
index f107863b..6a451cd9 100644
--- a/data/web/inc/functions.inc.php
+++ b/data/web/inc/functions.inc.php
@@ -949,6 +949,9 @@ function user_get_alias_details($username) {
   if (!filter_var($username, FILTER_VALIDATE_EMAIL)) {
     return false;
   }
+  if (!hasMailboxObjectAccess($username, $_SESSION['mailcow_cc_role'], $username)) {
+    return false;
+  }
   $data['address'] = $username;
   $stmt = $pdo->prepare("SELECT `address` AS `shared_aliases`, `public_comment` FROM `alias`
     WHERE `goto` REGEXP :username_goto
diff --git a/data/web/js/site/mailbox.js b/data/web/js/site/mailbox.js
index 101088c4..d008b478 100644
--- a/data/web/js/site/mailbox.js
+++ b/data/web/js/site/mailbox.js
@@ -565,13 +565,13 @@ jQuery(function($){
     ft_bcc_table = FooTable.init('#bcc_table', {
       "columns": [
         {"name":"chkbox","title":"","style":{"min-width":"60px","width":"60px"},"filterable": false,"sortable": false,"type":"html"},
-        {"sorted": true,"name":"id","title":"ID","style":{"maxWidth":"60px","width":"60px","text-align":"center"}},
+        {"sorted": true,"name":"id","title":"ID","style":{"min-width":"60px","width":"60px","text-align":"center"}},
         {"name":"type","title":lang.bcc_type},
         {"name":"local_dest","title":lang.bcc_local_dest},
         {"name":"bcc_dest","title":lang.bcc_destinations},
         {"name":"domain","title":lang.domain,"breakpoints":"xs sm"},
-        {"name":"active","filterable": false,"style":{"maxWidth":"80px","width":"80px"},"title":lang.active,"formatter": function(value){return 1==value?'<i class="bi bi-check-lg"></i>':0==value&&'<i class="bi bi-x-lg"></i>';}},
-        {"name":"action","filterable": false,"sortable": false,"style":{"text-align":"right","maxWidth":"180px","width":"180px"},"type":"html","title":lang.action,"breakpoints":"xs sm"}
+        {"name":"active","filterable": false,"style":{"min-width":"80px","width":"80px"},"title":lang.active,"formatter": function(value){return 1==value?'<i class="bi bi-check-lg"></i>':0==value&&'<i class="bi bi-x-lg"></i>';}},
+        {"name":"action","filterable": false,"sortable": false,"style":{"text-align":"right","min-width":"180px","width":"180px"},"type":"html","title":lang.action,"breakpoints":"xs sm"}
       ],
       "empty": lang.empty,
       "rows": $.ajax({
diff --git a/data/web/modals/mailbox.php b/data/web/modals/mailbox.php
index ad7d84b5..6ebd4435 100644
--- a/data/web/modals/mailbox.php
+++ b/data/web/modals/mailbox.php
@@ -650,25 +650,38 @@ if (!isset($_SESSION['mailcow_cc_role'])) {
           <div class="form-group">
             <label class="control-label col-sm-2" for="local_dest"><?=$lang['mailbox']['bcc_local_dest'];?></label>
             <div class="col-sm-10">
-              <select data-live-search="true" name="local_dest" required>
+              <select data-live-search="true" data-size="20" name="local_dest" required>
               <?php
               $domains = mailbox('get', 'domains');
               $alias_domains = mailbox('get', 'alias_domains');
               if (!empty($domains)) {
+                echo "<optgroup label=\"Domains\">";
                 foreach ($domains as $domain) {
                   echo "<option>".htmlspecialchars($domain)."</option>";
                 }
+                echo "</optgroup>";
               }
               if (!empty($alias_domains)) {
+                echo "<optgroup label=\"Alias Domains\">";
                 foreach ($alias_domains as $alias_domain) {
                   echo "<option>".htmlspecialchars($alias_domain)."</option>";
                 }
+                echo "</optgroup>";
               }
               if (!empty($domains)) {
                 foreach ($domains as $domain) {
                   $mailboxes = mailbox('get', 'mailboxes', $domain);
                   foreach ($mailboxes as $mailbox) {
-                    echo "<option>".htmlspecialchars($mailbox)."</option>";
+                    echo "<optgroup label=\"" . htmlspecialchars($mailbox) . "\">";
+                    echo "<option> " . htmlspecialchars($mailbox) . "</option>";
+                    $user_alias_details = user_get_alias_details($mailbox);
+                    foreach ($user_alias_details['direct_aliases'] as $k => $v) {
+                      echo "<option>" . htmlspecialchars($k) . "</option>";
+                    }
+                    foreach ($user_alias_details['shared_aliases'] as $k => $v) {
+                      echo "<option>" . htmlspecialchars($k) . "</option>";
+                    }
+                    echo "</optgroup>";
                   }
                 }
               }