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Mazi_Emeka's avatar
Mazi_Emeka
Copper Contributor
Jul 22, 2021

The reply-to header attack

Please I need some clarification as to this statement in this article below

4. The Reply-To
.
The Reply-To header is added when the originator of the message wants any replies to the message to go to that particular email address rather than the one in the From: address. This usually shows up as a separate field in the email client. There is no technique (SPF, DKIM, DMARC, or any other technology) that protects the Reply-To header.

https://docs.microsoft.com/en-us/archive/blogs/tzink/what-do-we-mean-when-we-refer-to-the-sender-of-an-email 

 

 

I need to confirm if this statement above is correct or not 

 

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/how-office-365-validates-the-from-address?view=o365-worldwide 

 

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