What stays the same

Both choices can receive legitimate mail. Neither guarantees anonymity, trustworthy senders or secure accounts. You still need unique authentication and a dependable recovery plan.

What changes

With different relationship identifiers, you can apply this principle: use distinct aliases where cross-context matching would reveal too much. With one matching key, the same address makes it cheap to join purchases, profiles and public records. The value is containment rather than invisibility.

A separate route changes the size of the clean-up.

How to choose

Use the simpler option when the consequence is small and the relationship is short. Choose stronger separation when recovery, public exposure or cross-context matching would matter.

  • Separate revealing contexts
  • Avoid predictable aliases
  • Reduce repeated identifiers
  • Review public exposure

The honest caveat

Payments, phones, devices and addresses can still connect records. Make the decision for the risk you actually have, not the most dramatic risk you can imagine.

Give the next relationship its own route.

Create an MXDuck alias