This reminds me of the service from the 1980s (was it Sprint Mail?) where you could dial up (over a 300 Baud modem), type a letter, and it would be physically m

This reminds me of the service from the 1980s (was it Sprint Mail?) where you could dial up (over a 300 Baud modem), type a letter, and it would be physically mailed to an address. At the time, it was several dollars per page.