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riobard
4 months ago
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Spammers are better at SPF, DKIM, and DMARC than e...
Cause IP is a finite resource (even IPv6 where the granularity is more like /48) while domains are infinite.
See
https://en.wikipedia.org/wiki/Sybil_attack
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Search:
See https://en.wikipedia.org/wiki/Sybil_attack