The idea in one sentence
Use plus tags for convenient sorting and real aliases for stronger separation. The point is not to make email mysterious; it is to stop one routine identifier doing too many jobs.
A useful boundary should make the next decision easier.
The problem it solves
The base address remains visible and tags can be stripped or rejected. Consider this ordinary moment: name+shop@example.com makes filtering easy but plainly reveals name@example.com. Without a boundary, the consequences can spread beyond the relationship that created them.
How to put it into practice
- Test provider support
- Use tags for sorting
- Use aliases for privacy
- Avoid tags for critical recovery
Start with the next account rather than rebuilding your entire digital life in one weekend. Label the choice so future you knows why it exists.
Know the limit
Support varies across forms and mail systems. Treat the address as one layer alongside unique credentials, careful recovery and sensible judgement.
Give the next relationship its own route.
Create an MXDuck alias