diff --git a/app/Http/Livewire/Chat/PublicChat.php b/app/Http/Livewire/Chat/PublicChat.php
index a3991f9..0b2f49e 100755
--- a/app/Http/Livewire/Chat/PublicChat.php
+++ b/app/Http/Livewire/Chat/PublicChat.php
@@ -331,8 +331,9 @@ class PublicChat extends Component
     private function enmascararEmail(string $email): string
     {
         [$local, $dominio] = explode('@', $email, 2);
-        $visible = mb_substr($local, 0, min(3, mb_strlen($local)));
-        return $visible . str_repeat('*', max(0, mb_strlen($local) - 3)) . '@' . $dominio;
+        $n       = min(4, mb_strlen($local));
+        $visible = mb_substr($local, 0, $n);
+        return $visible . str_repeat('*', max(0, mb_strlen($local) - $n)) . '@' . $dominio;
     }
 
     // ─────────────────────────────────────────────────────────
diff --git a/app/Services/TelegramBotService.php b/app/Services/TelegramBotService.php
index d6a900c..9255c65 100644
--- a/app/Services/TelegramBotService.php
+++ b/app/Services/TelegramBotService.php
@@ -1366,8 +1366,8 @@ class TelegramBotService
     {
         [$local, $domain] = explode('@', $email, 2);
         $len     = mb_strlen($local);
-        $visible = max(4, (int) ceil($len / 2)); // muestra la mitad, mínimo 4 caracteres
-        return mb_substr($local, 0, min($visible, $len)) . str_repeat('*', max(0, $len - $visible)) . '@' . $domain;
+        $visible = min(4, $len); // siempre 4 caracteres máximo
+        return mb_substr($local, 0, $visible) . str_repeat('*', max(0, $len - $visible)) . '@' . $domain;
     }
 
     private function createMPPreference(string $titulo, int $valor, string $ref): ?string