Using DMARC information is complicated in practice in the real world, by Chris Siebenmann https://utcc.utoronto.ca/~cks/space/blog/spam/DMARCPracticalComplexit

Using DMARC information is complicated in practice in the real world, by Chris Siebenmann https://utcc.utoronto.ca/~cks/space/blog/spam/DMARCPracticalComplexity https://utcc.utoronto.ca/~cks/space/blog/spam/DMARCPractical...