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There used to be a free service for faxes, at tpc.int.

https://en.wikipedia.org/wiki/The_Phone_Company

The fact that it costs you so much probably just means that the demand just isn't there.

TPC.int was kind of crazy. They had a stunt DNS server that made it more convenient to use, so you could mail an address like remote-printer@441234567890.tpc.int (referring to a nonexistent number in Bedford in the usual bigendian E.164 order) and it would be automatically converted to official little-endian RFC 1528 format remote-printer@0.9.8.7.6.5.4.3.2.1.4.4.tpc.int, after which the usual DNS delegation mechanisms could model the E.164 delegations to route the fax to the nearest server.

For those wondering, the domain tpc.int was registered before `.int` domain registrations required an established international treaty.

It was grandfathered in when this requirement was added.

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