I suppose you'd like to replace it with Email since that doesn't have any spam, hmm?
We were able to tack a bunch of domain and header functionality on top of the email system that helped us know if the sender was authentic which is much more than we can say for the POTS
alt Hacker News
We were able to tack a bunch of domain and header functionality on top of the email system that helped us know if the sender was authentic which is much more than we can say for the POTS