Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection

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The Central Asia surge faded. The Iran story didn't.

May 7, 2026

Follow-up to the April DMARC geography post: the Central Asia surge was a one-week burst and has since collapsed. The Iran finding has held for eleven consecutive weeks.

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The geography of DMARC failures is shifting, and the data says it's not random

April 13, 2026

7,528 failed DMARC authentications across 115 countries over 16 months. The source countries are changing in ways that suggest coordinated infrastructure migration, not organic drift.

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