Fix: Mailbox Stats über Dovecot mit config/mailpool.php

app/Models/MailUser.php

@@ -18,7 +18,6 @@ class MailUser extends Model
         'can_login',
         'quota_mb',
         'rate_limit_per_hour',
-        // -> KEINE used_bytes / message_count hier, die cachen wir separat
     ];
 
     protected $hidden = ['password_hash'];

database/seeders/SystemDomainSeeder.php

@@ -143,6 +143,7 @@ class SystemDomainSeeder extends Seeder
         $noReply = MailUser::firstOrCreate(
             ['domain_id' => $systemDomain->id, 'localpart' => 'no-reply'],
             [
+                'email'         => 'no-reply@' . $systemDomain->domain,
                 'password_hash' => null,
                 'is_active'     => true,
                 'is_system'     => true,