I received this type of spoofing how can I create rules to not pass? I have Dkim and active SPF...
The header...
Return-Path: <d.huebenthal@itex.de>
Received: from mail-01.my-domain.com (LHLO mail-01.my-domain.com)
(172.16.0.6) by mail-01.my-domain.com with LMTP; Sun, 6 Aug 2023...