"How do you set up a disposable email address?" is one of the most common starting questions — and the happy answer is that there’s almost nothing to set up. Unlike a normal email account, a disposable address needs no registration, no password, and no personal details. Here’s the full walkthrough.
Step 1: Open a disposable email service
Go to MailboxTemp. The moment the page loads, a temporary email address is generated for you automatically — that’s the entire "setup." There’s no form to fill in.
Step 2: Copy your address
Your address appears at the top of the page. Use the copy button so you grab it exactly (a mistyped address means the mail never arrives).
Step 3: Use it wherever an email is requested
Paste it into the signup form, download gate, or verification field of whatever site you’re using. Treat it like any normal email address — the site can’t tell the difference at the point of entry.
Step 4: Receive your message
Switch back to MailboxTemp. Incoming mail appears in real time — no refreshing needed. If the message contains a one-time code, it’s automatically detected and shown at the top so you can copy it in a single tap.
Step 5: Let it expire (or generate a new one)
When you’re done, simply walk away — the inbox self-destructs when its timer ends, taking every message with it. Need a fresh address for a different site? Click to generate a new one anytime.
Optional: customise it (Pro)
The free address is random, which is perfect for throwaway use. If you want a custom address prefix, several inboxes at once, or a longer 24-hour lifetime, those are available on the Pro plan — but they’re never required for the basics.
Tips for getting the most from it
- Extend the timer if you’re part-way through a multi-step verification.
- Use a separate address per site if you want to keep things cleanly isolated.
- Keep it to throwaway use — for anything you’ll need to log back into, use a permanent address instead.
Bottom line
Setting up a disposable email address is really just "open the page and copy" — the service handles everything else, and there’s no account to manage. For the bigger picture, see what a disposable email is or jump straight to a free inbox.