I don't want to replicate email. I want to fix it. Sending email should not be free. It should be really, really cheap to send an email to one person (like a fraction of a fraction of a cent), but get exponentially more expensive the more you send. People shouldn't be able to send emails to you without your prior approval (which you can revoke at an instant). The recipient should be able to charge a tack-on fee for h…
Sending email is already cheap, not free. Just so happens the cost is subsidized/hidden for most regular people and its so cheap that they give it away for free. For those of us that run transactional email, the cost is ~ $0.0001 per email for AWS SES, already at the fraction of a fraction of a cent you suggest.
Many schemes to do this. Things like:
The first 10 emails is $0.0001 each.
The next 10 will be $0.001 each.
And so on. You can always fiddle with the thresholds and costs.