Where spam actually comes from
Most spam reaches you because a service either sold, shared, or leaked your address. Once a marketer has it, removing it is hard — you typically need to unsubscribe from every list it ended up on, one by one.
Breaking the link at the source
A temporary address breaks that chain at the beginning. The service gets a working address for verification, but there's no permanent inbox for it to add to a future marketing list.
Three habits that help
1. Default to temp mail for any sign-up you're not sure you'll keep. 2. Save your real address for accounts you genuinely want long-term contact with. 3. When a sign-up rejects your temporary address, ask whether you really need that account.
Where temp mail doesn't help
Temp mail won't fix spam on an existing real inbox — for that you need filters, unsubscribes, and aliases going forward. But it prevents new spam from ever attaching to your real address.
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