SPAM filters on SMTP ports were implemented long long before any government mandated it - at the ISP level often
Further, the development DKIM and SPF, were incidental to any government requirement
Preemptively: The fact that the early internet was heavily government and institutionally focused, doesn't a government mandate make
SPAM filters on SMTP ports were implemented long long before any government mandated it - at the ISP level often
Further, the development DKIM and SPF, were incidental to any government requirement
Preemptively: The fact that the early internet was heavily government and institutionally focused, doesn't a government mandate make