A Short History of Email Privacy and Disposable Services
How we went from polite SMTP and trust-based delivery to a world where most signups are a privacy negotiation.
Email predates the modern web by more than a decade. Its earliest design assumed a small, polite, mostly-academic network where every sender was, plausibly, a known colleague. Privacy was not a feature; it was an unstated assumption.
The commercial shift
When email opened to commerce in the 1990s, two things changed at once. The volume of unsolicited mail exploded, and the value of an address as a marketing asset became obvious. The first disposable email services appeared almost immediately as a defensive reflex.
The rise of the inbox as identity
By the mid-2000s, email had become the de facto login for the internet. Every signup, every recovery flow, every "magic link" assumed it. That entrenched email as a global identifier — and made the case for disposable addresses much stronger, because the cost of leaking the wrong address became permanent.
Where we are now
Modern privacy practice is a portfolio. Real addresses for trust relationships. Aliases for compartmentalisation. Disposables for low-stakes signups. The interesting development is that all three are now normal, mainstream choices rather than fringe behaviours.