3 ms·
On the contrary: you have to assume DNS is always compromised on the client (because it easily is). SPF records depend not on client DNS but on server DNS, so y
by nothrabannosir 12y ago
On the contrary: you have to assume DNS is always compromised on the client (because it easily is). SPF records depend not on client DNS but on server DNS, so you have control over the lookups. That's a completely different ball-game.