What each term usually means
Temp mail (temporary email) emphasizes the short lifetime: an address that exists for minutes and then disappears, ideal for a single verification code. The focus is on it being disposable and automatic.
Burner email borrows from "burner phone": an address you deliberately keep at arm's length from your identity, used once for a signup you do not want traced back to your main inbox. The focus is on separation from your real account.
Where they overlap
In practice both are a random inbox with no signup that you throw away after use. On this page the address above serves either purpose: paste it into a form, read the message here, and it self-destructs after five minutes.
Neither is a private mailbox. Both are public while live and readable by anyone who knows the address, so the "burner" separation is about keeping mail off your real inbox, not about strong anonymity.
Where the words come from
The vocabulary in this category is unusually crowded because each name was coined by a different product and then spread as a generic term. Knowing which emphasis each one carries makes technical writing about them much easier to read.
- Temp mail / temp email: from "temporary". Emphasises the timer. The most-searched name and the closest thing to a neutral label.
- Burner email: from "burner phone". Emphasises deliberate separation from your identity, and implies you chose this on purpose for one signup.
- Throwaway email: emphasises single use. Most common around free trials and "start free" walls.
- Disposable email address: the formal term, and the one that appears in signup terms and the block lists sites maintain.
- Fake email: emphasises that the address is not your real one. Frequently misread as sender spoofing, which is a different and usually illegal thing.
Which to use
If you just need a quick verification code, think of it as temp mail and move on. If your goal is to keep a specific signup off your primary address, think of it as a burner — same inbox, different reason.
For anything you must log into again later, use neither: a disposable address is gone in five minutes and cannot be recovered. Keep it to one-off gates and trials.
What neither of them is
Both terms get stretched in ways that cause real problems, so it is worth stating the shared limits once. Neither a temp mail address nor a burner email is private: there is no password on the inbox, so anyone who knows the live address reads the same mail you do. Neither hides your IP, your browser, or your location from the site you are signing up to.
Neither can send. This service receives only, so no message leaves under either name — which also means neither can be used as a reply-to address or to impersonate anyone. Neither receives SMS, so a site demanding a texted code is out of reach regardless of which word you use for the inbox.
And neither survives. Five minutes after creation the address and its contents are gone, so neither is a place to keep a receipt, a licence key, or an account you might want back. When an article recommends a burner email as though it were a durable privacy tool, that is the claim to check.
When the distinction does start to matter
Outside this site the two terms can diverge, and it is worth knowing where. "Burner email" is sometimes used for a permanent secondary mailbox — a spare Gmail that you keep but never check — or for an alias from a service like Hide My Email that forwards to your real inbox indefinitely. Neither of those is temp mail, because neither expires.
That difference decides whether you can get back in. A burner in the alias or spare-mailbox sense still receives a password reset next month, which makes it suitable for accounts you want at arm's length but intend to keep. A temporary inbox cannot, which makes it suitable only for signups you are prepared to lose entirely.
So when someone recommends a "burner email" for an account, check which kind they mean. If the answer is a five-minute inbox like this one, it is fine for the signup and wrong for anything with a login worth keeping.