uniqueness, on one way or another, does not imply you're a real person. those systems probably don't even rely on fingerprinting for those decisions - you just can't deny someone acceess to a service because "they're…
Gmail has a blackbox ML that takes SPF and DKIM into account, but with a certain scoring that might not matter that much compared to said IPs reputation in their system.
uniqueness, on one way or another, does not imply you're a real person. those systems probably don't even rely on fingerprinting for those decisions - you just can't deny someone acceess to a service because "they're…
Gmail has a blackbox ML that takes SPF and DKIM into account, but with a certain scoring that might not matter that much compared to said IPs reputation in their system.