For Alice and Bob to send the results of their measurements to Victor before Victor made his decision to entangle or not, they'd have to find a way to send that information faster than the photons can travel, regardless of the length of the cable.
On the other hand—they could instead slow down the photons considerably (down to 9.7km/s last I heard). Not sure, though, if slowing down the photons affects the entanglement.
Sendmail may be safely run set-user-id to root. -- Eric Allman, "Sendmail Installation Guide"