Blog Post

Microsoft Defender for Office 365 Blog
3 MIN READ

Announcing New DMARC Policy Handling Defaults for Enhanced Email Security

SehrishKhan's avatar
SehrishKhan
Icon for Microsoft rankMicrosoft
Jul 31, 2023
Domain-based Message Authentication, Reporting & Conformance (DMARC) is a standard that helps prevent spoofing by verifying the sender’s identity. If an email fails DMARC validation, it often means t...
Updated Aug 21, 2023
Version 2.0
Branko984's avatar
Branko984
Copper Contributor
Oct 24, 2023

SehrishKhan  In case of mailbox level forwarding is it normal behavior that both forwarder and forwarding target get same NDR message with a copy of email message that was failed to be forwarded due to DMARC reject policy? I get the same patter on multiple tenants. 

 

I get that you may want to notify the forwarder that their message failed but what's the point on the receiver side with copy of message attached?