554 Policy violation. Email Session ID: {6646D243- 130002- 57BDC7772-D2E2154B}
554 Spam email. Email Session ID: (66F232A1-0-99FA92ES-FC1C9602)
這訊息是
checkpoint
或是
sophos
防火牆
Spam check 退信
退信訊息:554 Policy violation. Email Session ID
點擊數: 909