Email Privacy Shield: Zero Direct Mail and No Cross-Site Correlation via Email Aliases

Every alias service hides your address. Almost none of them fix what happens after you reply. Give out your real address once, and it becomes a permanent identifier that data brokers, marketers, and attackers can correlate across services, sites, and breaches. Reply chains and headers often leak context. Tracking pixels and sophisticated passive techniques confirm opens and clicks even before you interact. Developers face this acutely: every SaaS signup, API provider, cloud account, or open-sour