Phone numbers, emails, and postal addresses all still route through multiple mediaries between source and dest, and neither end ever know what path it took. In

Phone numbers, emails, and postal addresses all still route through multiple mediaries between source and dest, and neither end ever know what path it took. In other words, they are MITMed by design. And for these mediums of communication, you want it this way for everyone's safety and sanity. The only way this works securely with internet packets would be tor.