10 Minute Mail (10minutemail.net) has been handing out throwaway addresses since 2009, and the pitch still holds up: load the page, an address is already sitting there, paste it into whatever signup form is blocking you. No account, no picker, no decisions. For a one-shot verification code, that's close to the ideal amount of product.
The reason to read this page is what surrounds that address. 10 Minute Mail is funded by ads, so the page you're pasting from loads Google AdSense and a set of ad-exchange scripts. You also don't get to choose your address, and the live countdown stops extending at 100 minutes. SecondInbox trades differently: no ad scripts, you pick the address and the domain, and you can keep extending as long as the inbox is alive. Here's the honest version of both sides.
What 10 Minute Mail does well
Some of this is genuinely better than what most of the category ships:
- It rotates domains every 45 days, on purpose. From their own blog: "We do this every 45 days to maintain high deliverability and avoid blacklisting." That's a real answer to the biggest problem in disposable email, and most services don't bother.
- The semi-permanent restore link. Your browser saves a link to each inbox you create, and you can restore an expired inbox from the History page to read what it received. It works until the next domain rotation. Most services in this category delete the inbox and give you no way back.
- Fifty-plus interface languages. Everything from Afrikaans to isiZulu, translated in full. If English isn't your first language, this alone can settle the decision.
- Zero interface. One address, one countdown, one table of messages. Nothing to learn and nothing to configure. Simplicity is a feature, and 10 Minute Mail has never diluted it.
Where 10 Minute Mail falls short
Four things, and none of them are secret:
- The page is ad-funded, and you can see it in the network tab. Loading 10minutemail.net pulls in Google AdSense, DoubleClick's ad server, Google Analytics, and renders banner slots around the inbox. The similarly named 10minutemail.com, which is a different site, goes further and loads Criteo and Yahoo identity-sync frames. Reaching for a disposable address is usually a privacy move, so ad-tech on the page you're pasting from is an odd fit.
- You can't choose the address. Their FAQ is blunt about it: "We do not provide custom mailboxes. mailboxes are randomly generated." Fine for a verification code. Annoying when you're testing a signup flow and want
billing-test@to mean something. - The live countdown caps at 100 minutes. You extend in 10-minute increments, and their own copy sets the ceiling: "You can set up to 100 minutes." The restore link softens this, but it's browser-bound. Clear your cookies or move to your phone and the link is gone.
- You refresh the page to check for mail. There's a "Refresh this page." control, and no live updating. Minor, but you feel it while you're sitting there waiting for a code.
The ads pay for a free service that's been running since 2009, so this is a trade, not a scandal. The question is just whether it's the trade you want.
How SecondInbox compares
Free tier against free tier. Rows I couldn't verify today aren't in the table.
| Feature | 10 Minute Mail | SecondInbox |
|---|---|---|
| Signup required | No | No |
| Inbox lifetime | 10 minutes | 10, 30, or 60 minutes (you pick) |
| Extending | +10 minutes at a time, 100-minute ceiling | Resets to a fresh 30 minutes, no cap on extends |
| Choose your own address | No, randomly generated | Yes, name and domain |
| Restore after expiry | Yes, via a browser-saved link, until domain rotation | No, deleted permanently |
| Ad and tracking scripts | AdSense, DoubleClick, Analytics | None |
| Checking for new mail | Refresh the page | Live inbox |
| Interface languages | 50+ | English only |
| Paid tier | No | No |
Two things the table flattens.
The first is what "extend" means on each service. 10 Minute Mail adds ten minutes to a budget that tops out at 100. SecondInbox resets the clock to a fresh 30 minutes from the moment you click, and you can do that as often as you like while the inbox is still breathing. If a signup flow leaves you waiting on a confirmation email that takes two hours to arrive, one model runs out and the other doesn't.
The second is where your inbox lives. 10 Minute Mail's restore link is saved in your browser, which is elegant until you switch devices or clear your data. SecondInbox's addresses die on schedule by default, but a free optional account keeps several of them available across sessions and devices instead of leaning on browser storage. Different answers to the same problem, and which one is right depends on whether you trust your browser more than you trust a login.
When to stay with 10 Minute Mail
Real reasons not to switch:
- You need the interface in a language other than English. SecondInbox is English only right now. 10 Minute Mail has more than fifty translations. This isn't close.
- You want to be able to reopen an expired inbox. SecondInbox deletes messages permanently when the timer ends. That's the design, and if you'd rather have a restore path, 10 Minute Mail's semi-permanent link is the better tool.
- You genuinely don't want to make a single decision. SecondInbox asks you to pick a lifetime and lets you name the address. If the appeal of 10 Minute Mail is that there's nothing to think about, that appeal is real.
When SecondInbox is the better fit
- You'd rather not load ad scripts on a privacy tool. No AdSense, no ad exchange, no tracking cookies. IPs are kept briefly for rate limiting and then discarded.
- The verification email is going to take a while. Free trials and bank-adjacent signups routinely blow past 100 minutes. Unlimited extends handle that; a hard ceiling doesn't. If you want the ten-minute default without the ceiling, the 10-minute email page starts you there and extends from the same button.
- You're testing signup flows and the address needs to mean something. Naming your own local part and picking a domain turns a pile of random strings into something you can actually read in a test log.
- You want more than one address at once. Create a free account and manage several across sessions rather than depending on links your browser happens to still have.
Both services hit the same wall on deliverability: plenty of sites reject known disposable domains, whoever runs them. 10 Minute Mail's 45-day rotation is a real mitigation and SecondInbox doesn't have an equivalent. If a signup rejects the address outright, here's what's actually happening.
FAQ
No. Separate services, separate infrastructure, and 10 Minute Mail's restore links only work on their own domains. You'd generate a fresh address on SecondInbox and use it going forward.
No, and this is the clearest thing 10 Minute Mail does that SecondInbox doesn't. When a SecondInbox address expires, the messages are deleted from the servers and there's no way back. The closest equivalent is extending the inbox before it expires, which you can do without limit, or creating a free account so your addresses persist across sessions.
As long as you keep extending it. Pick 10, 30, or 60 minutes at creation, and each extend resets the timer to a fresh 30 minutes from that moment. There's no 100-minute ceiling and no total cap. You do have to click before it expires.
Free, with no paid tier to be pushed toward. The optional account is free too. Nothing here is ad-supported, which is also why there are no ad scripts on the page.
Sometimes. Major platforms keep lists of known disposable domains and both services show up on them. 10 Minute Mail's 45-day domain rotation genuinely helps here and SecondInbox doesn't do the same thing. For newsletters, download gates, forums, and most smaller signups, neither has much trouble.
No. It's receive-only, same as 10 Minute Mail. If you need to send from a throwaway address, <a href="https://secondinbox.com/alternative-to-guerrilla-mail">Guerrilla Mail</a> is the one in this category that does it.