It would be cool if server owners could charge for accounts using Lightning. @NicolasDorier are you working on that yet? :-)
For portability, it should probably offer a permanent redirect once the subscription ends. If that uses standard HTTP, it should be pretty robust.
The liability sounds scary though, but botnets could do it 😣
@sjors you mean on BTCPay? Yeah I was thinking about it. Though my hope is to reach 1 BTCPay for every merchant eventually. :p
m.sprovoost.nl is one server in the network