On 12/30/20 5:48 AM, Todd Herr wrote:

Third-party MUAs perhaps won't, but MUAs aren't really responsible for message disposition in a way that is relevant to DMARC's primitive disposition choices, except in those cases where they're POP clients that download everything to a local message store, I guess; maybe in that case DMARC policy request and DMARC validation results could be used to make the Inbox v. Spam decision.

This is a failure of imagination. If spam filters are too worried about false positives to take action on p=reject and p=quarantine, that doesn't mean a human can't. Imagine three colors, green, orange and red. If I see red, I am immediately suspicious of it and treat it as suspect when evaluating the context and semantics in the message -- something that spam filters do not do. Same to a lesser degree orange. If auth-res provided me the proper information, I could do that today. I cannot because it does not. As it stands today, auth-res is useless for DMARC.

Mike

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