So Many Names for "Not My Real Email"
Disposable email, burner email, throwaway address, alias, forwarding address: these terms get used interchangeably, but they describe tools that work differently and protect you in different ways. Picking the right one depends on a single question: do you ever need to use this address again? This guide clears up the terminology so you can choose with confidence.
Disposable and Throwaway Email
A disposable or throwaway email address is a short-lived inbox that you do not control beyond a single session. You do not pick the address, you cannot log back in, and once it expires the inbox and its messages are deleted for good. TempMailKit is this kind of service: open the page, receive your confirmation or code, and let it disappear.
Best for: one-time sign-ups, free trials, gated downloads, forum registrations, and any situation where you will never need to receive mail at that address again. Not for: anything you might need to recover, because there is no way back into an expired inbox.
Burner Email
"Burner" is borrowed from the idea of a burner phone, and people use it to mean two slightly different things. Sometimes it means exactly the same as a disposable inbox. Other times it means a real, separate account you create on a normal provider and use only for low-trust activity, then abandon when it fills with spam. The first is automatic and instant; the second is something you set up and manage yourself.
Best for: a self-managed burner suits someone who wants a persistent low-trust mailbox they fully control. Trade-off: it requires sign-up and upkeep, and it is only as private as the provider you create it on.
Email Aliases
An alias is a unique address that forwards to your real inbox. Services like SimpleLogin and AnonAddy let you generate a different alias for every site you register with. Mail sent to the alias lands in your normal inbox, but the site never sees your real address. If an alias starts attracting spam or appears in a breach, you switch it off, and your real address is never exposed and never has to change.
Best for: accounts you want to keep but still want to shield, and for tracking which company leaked or sold your address. Trade-off: aliases require an account and live longer than a disposable inbox, so they are a commitment rather than a throwaway.
Forwarding Addresses
Forwarding is the mechanism underneath aliases: mail arriving at one address is automatically relayed to another. A plus-addressing trick on Gmail (yourname+shopping@gmail.com) is a primitive form of forwarding, but it does not hide your real address because the base mailbox is visible in the alias itself. Dedicated alias services do forwarding properly by giving each alias an unrelated address.
Best for: understanding how aliases work under the hood. On its own, plus-addressing offers organisation but very little privacy.
A Quick Way to Choose
Ask yourself whether you will ever need mail at this address again. If the answer is no, a disposable inbox is the fastest and most private option, because the data simply ceases to exist. If the answer is maybe, or if the site blocks disposable domains, an alias gives you durability and control while still hiding your real address. Reserve your real inbox for the small set of services you genuinely trust and depend on.
Layering Them Together
The strongest approach is not to pick one tool but to layer them. Use disposable email as your default for anything one-time, aliases for accounts worth keeping, and your real address only where it is truly warranted. Each layer absorbs a different kind of risk, and together they keep your primary identity remarkably clean.
Achyuth Kumar
Founder & editor, TempMailKit
Achyuth builds privacy tools and writes TempMailKit’s guides on email security, spam, and online privacy. Every article is checked against primary sources and our editorial policy before it is published. Questions or a correction? Get in touch.