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As of February 2021, does EOP/Microsoft now send DMARC aggregate reports?
I believe I have spotted evidence that the answer is yes. If you look at this answers.microsoft.com thread the answer states: TL;DR Office 365 currently does not send out any DMARC reports. If ...
JeremyTBradshaw - Not yet Jeremy. You found the right User Voice however there is no ETA yet.
We have only recently started implementing DMARC and had also come across the lack of response from MS domains. How did you detect that emails were being sent from mailto:dmarcreport@microsoft.com if they were not being delivered?
The fact that only consumer domains are being used seems to correspond to this DMARC Mail (Public Preview feature) at https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-dmarc-to-validate-email?view=o365-worldwide#dmarc-mail-public-preview-feature
Just_AskingI've noticed "Maximum allowed line length is 998 octets" errors in the mail server reject log.