Neither email nor phone anticipated the spam problem at the protocol layer, and solutions have instead been tacked on. At least anecdotally, the solutions mostl

Neither email nor phone anticipated the spam problem at the protocol layer, and solutions have instead been tacked on. At least anecdotally, the solutions mostly work, if slow to gain the adoption throughout the network to make them useful. Even phone spam hasn’t been as bad for me since SHAKEN/STIR became law.