Verifies a forwarding destination via the token from the email link. Public — no auth.
Opaque verification token from the email link's ?token= query parameter.
"lkM2_oXk-OQAAAAA..."
Token consumed (or was already consumed for this destination)
true
verified, already_verified "verified"
Number of forwarding rules flipped to verified = 1 by this request. Only present when status = verified.
3