On 3/12/23 07:50, John Levine wrote:
It also occurs to me that anyone who sends failure reports also sends
aggregate reports, so if you care, you have a way to find out.
This made me wonder if everybody requesting failure reports also
requests aggregate reports, so I took a look at the data DomainTools
shares with DMARC.org.
DMARC records that have RUF w/o RUA: 72,400+
- 50k+ are two-component, e.g. example.org; 11k+ three-component
- 28k are .com, 4.5 are .co, 4k are .nl, and 4.5k are .org or .net, etc
This is from all observed, valid DMARC records still available from DNS
at the end of CY2022.
While this is a small percentage of all valid DMARC records observed at
that point in time (about 0.1%), it is a much larger number than I would
have expected before I checked.
--S.
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