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DMARC reports

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DMARC reports

Your DMARC report says "fail". Most of the time, nothing is wrong.

Your first DMARC dashboard shows a wall of "fail" and the obvious question is whether someone is forging your domain. Usually not: "fail" in an aggregate report means two different things, and the alarming one is much rarer than the harmless one. Here is the rule that separates them, applied to real report rows.

By Valerio Bonaldi