example headers

x-forefront-antispam-report:
 CIP:77.55.0.0;CTRY:PL;LANG:en;SCL:5;SRV:;IPV:NLI;SFV:SPM;H:mail.example.com;PTR:mail.example.com;CAT:SPM;SFS:(13230025)(4636009)(451199018)(19627405001)(36756003)(2616005)(5660300002)(1096003)(7636003)(15650500001)(86362001)(42186006)(83380400001)(356005)(7596003)(6266002)(6916009)(8676002)(26005)(9686003)(33964004)(166002)(336012)(211493008);DIR:INB;

x-microsoft-antispam: BCL:0;

X-Microsoft-Antispam-Mailbox-Delivery:
 ucf:0;jmr:0;auth:0;dest:J;OFR:SpamFilterAuthJ;ENG:(910001)(944506478)(944626604)(920097)(930097)(3100021);RF:JunkEmail;

Interesting fields:

• CIP:77.55.0.0;
• CTRY:PL;
• LANG:en;
• SCL:5;
  • 5,6 Spam filtering marked the message as Spam. Deliver the message to the recipients' Junk Email folder.
• SRV:;
• IPV:NLI;
  • The IP address was not found on any IP reputation list.
• SFV:SPM;
  • The message was marked as spam by spam filtering.
• H:mail.example.com;
• PTR:mail.example.com;
• CAT:SPM;
  • Spam
• SFS:(13230025)(4636009)(451199018)(19627405001)(36756003)(2616005)(5660300002)(1096003)(7636003)(15650500001)(86362001)(42186006)(83380400001)(356005)(7596003)(6266002)(6916009)(8676002)(26005)(9686003)(33964004)(166002)(336012)(211493008);
• DIR:INB;

https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/message-headers-eop-mdo?view=o365-worldwide#x-microsoft-antispam-message-header-fields

• BCL:0 - Bulk Complain Level
• SCL:0 - The spam confidence level (SCL) of the message. A higher value indicates the message is more likely to be spam. For more information, see Spam confidence level (SCL)
• S:SFA - Spam Filter Agent
• X-MS-Exchange-Organization-AuthAs

https://sender.office.com/Delist/