Before I ask the question, I'd like to set the context of what the question is *not *about: it is not about how to create or manage DMARC external validation from one domain (e.g., FritoLay.com) for the domain that receives the FritoLay aggregate reports (e.g., PepsiCola.com). The mechanism for configuring DMARC external validation between two domains is understandable, I've done it and it works.
QUESTION ONE: How is it possible for me to continue to receive aggregate reports from domains that have no DMARC external validation for the receiving domain ? I have to give a little anonymity here about the actual domains, apologies. Ok, so I have two domains both are primary (one.com; two.com) and the one.com DMARC defines the rua address as dm...@two.com. There is no DMARC external validation that permits one.com DMARC reports to be sent to dm...@two.com. If I examine the DMARC for one.com with MXToolBox.com, it correctly identifies the error with a description: " External Domains in your DMARC are not giving permission for your reports to be sent to them." QUESTION TWO: Is it possible that some receiving MTA's will ignore the lack of DMARC external validation and just send aggregate reports to any rua address ? DMARC-Jack
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