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somaji's avatar
somaji
Brass Contributor
Jan 13, 2023
Solved

Microsoft Defender for Email & Collaboration - "Whitelist"

We have "Whitelisted" some domains (e.g. appriver.com) by adding the domain to "Add trusted senders and domains" in the Spam policies; as well as adding a rule in Microsoft365 Exchange Mail flow Rule...
microsoft defender for office 365
  • somaji's avatar
    somaji
    Jan 16, 2023
    I do see SFV:BLK in the header.
Ben_Harris's avatar
Ben_Harris
Icon for Microsoft rankMicrosoft
Jan 16, 2023

somaji Thanks, I understand your issue I believe, and would expect that your allow list entry would not fix it, as it looks to be from what you've posted, a personal block list overriding the verdict. - can you please let me know the "SFV:" verdict in the headers of one of the affected emails? - I'm expecting to see SFV:BLK

Anti-spam message headers - Office 365 | Microsoft Learn

somaji's avatar
somaji
Brass Contributor
Jan 16, 2023
I do see SFV:BLK in the header.