There did appear to be a change in DMARC reporting from Microsoft last week. The impact however, has been minimal. Return Path noticed the change in Microsoft's DMARC sending behavior earlier in the week and then a total drop off late Thursday. We notified Microsoft who then restored DMARC reports by Friday afternoon. We saw a marginal impact to our customers due to multiple aggregate sources, and thanks to Microsoft's direct response.
For those dependent on DMARC only, we expect a gap in reporting since the disruption that lasted nearly ~20 hours didn't get backfilled. This begs the question to the community around expectations for DMARC reports? In case of disruptions in the flow, should ISPs backfill the gaps or just move forward? George Bilbrey Return Path From: [email protected] [mailto:[email protected]] On Behalf Of Other Mailbox Sent: Monday, June 10, 2013 9:49 AM To: [email protected] Subject: [dmarc-discuss] Microsoft - Hotmail Anyone else getting empty reports DMARC reports from Microsoft? Last 3 or 4 days all domains. Michael Johnson
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