The Complete Guide to Email Privacy in 2026

Email is the single most common identifier used across the internet. When you sign up for any service, your email becomes the link that connects that account to every other account using the same address.

Persona Kit's built-in email system gives each persona a unique, permanent address that actually receives mail. Unlike temporary email services that expire, Persona Kit emails persist as long as your persona exists, so you never lose access to your accounts.