Authentication-Results-Original email header
emails from my tenant have started getting the below Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=domain.com; as well as Authentication-Results: spf=pass (sender IP is xx.xx..xx.xx) smtp.mailfrom=domain.com; dkim=pass (signature was verified) header.d=domain.com;dmarc=pass action=none header.from=domain.com;compauth=pass reason=100 All the email are reported as failing SPF and DKIM, do anyone know how can I fix this?