Receive email, don’t send it
Temporary inboxes receive email; forwarding aliases send incoming messages to a verified email address. We don’t provide outgoing email or replies.
Learn about the serviceTerms of use
A handy inbox,
with clear limits
Inboxonce gives short-term email a place of its own, but a temporary address is neither a permanent identity nor a way around other websites’ rules. Before you begin, check when an address expires and which tasks require an email account you control long term.
Updated · Applies to temporary email and forwarding
New addresses last 3 hours
Each extension adds 3 hours. Replacing, deleting, or letting an address expire may make the old address and its emails inaccessible.
Understand address lifetimesUse it lawfully and protect your access
Only handle email you’re authorized to receive. Don’t use a temporary address for banking, government services, or account recovery for important accounts.
Check what’s allowed and prohibited01 · Service scope
These terms apply to the web inbox, disposable email addresses, and forwarding features provided by inboxonce.com. Before using the service, read these terms and our Privacy Policy; if you disagree with these rules, stop using the service and delete any addresses, aliases, or email records you no longer need.
You can use a temporary inbox without signing in; access incoming messages with the inbox credentials saved in your browser. To use forwarding, first verify an email address you control, then create aliases that forward incoming messages to it. Neither feature lets you send or reply to email, and forwarding doesn’t let you send messages as an alias.
Check whether the website you’re receiving email from or signing up for accepts disposable email addresses. Demo emails illustrate how messages look; they don’t mean the brands shown endorse our service or that their sign-up, login, or payment flows will accept our addresses. Not sure which type of address to use? Read Disposable vs. regular email addresses.
02 · Permitted and prohibited use
Use Inboxonce only as permitted by applicable law, your authorization to receive the messages, and the rules of third-party services. An address can help you keep emails separate, but it doesn’t change trial eligibility, payment obligations, account limits, or other websites’ terms.
Both sets of rules below apply to temporary inboxes and forwarding aliases. If a task requires ongoing account recovery or credential storage, use an email address you control long term, even if the task itself is lawful.
Permitted use
- Software trials where allowed Use a separate address for sign-up notices if the provider accepts temporary email and you’re eligible for the trial.
- Authorized email testing Test email templates, notifications, and delivery results in your own systems or systems you’re authorized to test.
- Separate email by source Create forwarding aliases for legitimate subscriptions to identify where messages come from and stop emails you no longer want.
Prohibited use
- Spam and malicious content Don’t send spam, distribute malware, or disrupt the service or email delivery with excessive requests.
- Fraud and unauthorized access Don’t impersonate anyone, steal verification codes, receive email you’re not authorized to access, or use the service for phishing or fraud.
- Circumventing limits or abusing trials Don’t evade bans, account limits, payment requirements, or eligibility checks, or claim promotions in bulk.
If you receive an email that isn’t meant for you, don’t use its verification codes, attachments, or account information. Delete the message and contact support to report it. Software trials may also have renewal and cancellation rules; see What to check before using email for a trial.
03 · Temporary address lifecycle
New temporary addresses last 3 hours by default; check the time remaining shown in your inbox. While an address is still active, each successful extension adds 3 hours to its existing expiry time—it doesn’t restart the clock from when you click. Look for the success message and updated countdown; don’t assume an extension worked just because you clicked.
Replacing an address creates a new inbox and invalidates the old one; messages aren’t transferred. After an address expires or is deleted, you can no longer access its inbox with the old credentials, and you shouldn’t expect to recover the address or its messages. Clearing browser data, losing your credentials, or switching devices may also prevent access to an active temporary inbox.
| Action or status | What happens to the address and emails | What to do first |
|---|---|---|
| Create an address | Get a temporary inbox that lasts 3 hours by default. The address isn’t guaranteed to remain available permanently. | Copy the full address and make sure you can finish your task before it expires. |
| Extend successfully | The address and received emails remain available; 3 hours are added to the expiry time. | Check the success message and countdown. Don’t wait until the last minute. |
| Replace address | Switch to a new inbox; the old one becomes invalid, and its emails aren’t transferred. | Handle any messages in the old inbox and update the address in third-party forms. |
| Expire or delete | The old inbox and its emails are cleared; the old credentials no longer grant access. | Save any information you’re authorized to keep, or change the account’s email to one you control long term. |
| Forwarded email records | Forwarded emails are archived for 30 days; messages in temporary inboxes aren’t included. | For long-term storage, archive messages in your regular email account. |
Don’t use a temporary address as the only email for banking, government services, healthcare, important accounts, or long-term password recovery. If you may need to confirm a login, request a refund, or contact support later, switch to an email you control long term before you finish. See Plan for your address’s lifespan.
04 · Account and alias responsibilities
Forwarding accounts verify your identity with a code sent to your regular email address. Make sure you control that address, and keep your verification codes, login credentials, and authenticator secure if you enable two-step verification. Don’t share your credentials. Sign out after using a shared device, and don’t let the browser save sensitive information.
When you disable an alias, new messages sent to it are no longer forwarded; they aren’t held in a queue for later delivery. Re-enabling the alias won’t recover messages discarded while it was disabled. If a website still needs to send you important notices, change the email address linked to that account before disabling the alias.
Deleting an alias removes its forwarding route. It doesn’t cancel third-party subscriptions, close third-party accounts, or delete information held by others, and you shouldn’t expect to be able to get the same address again. Deleting an archive only affects the corresponding records on our service; it doesn’t recall messages already forwarded to your regular inbox. Delete those copies separately from your regular email account if needed.
Signing out of your forwarding account doesn’t affect the credentials for a temporary inbox: it won’t delete that inbox. Before handing a device to someone else, separately clear temporary emails you no longer need and sign out of your account. To create or manage aliases, go to the forwarding dashboard.
05 · Availability and delivery limits
Email delivery depends on the sender’s service, domain acceptance policies, the network, and the receiving system. Third parties may block disposable email domains. Verification codes may be delayed or fail to arrive, and senders may limit how often you can request them. Forwarding aliases aren’t guaranteed to be accepted either. We can’t guarantee that a particular verification code will arrive or that you’ll receive an email within a specific time.
The service may be temporarily unavailable due to maintenance, request throttling, unusual traffic, or network issues. Automatic refresh doesn’t mean the sender has sent an email, and repeatedly requesting a new code won’t necessarily make it arrive sooner; too many requests in a short time may trigger restrictions. Rely on messages actually received, and don’t use this service as the sole channel for emergency alerts or critical business communications.
If you’re not receiving an email, first check that the address is complete and still active, and follow the sender’s resend interval. Don’t switch addresses straight away, or later messages may still go to the old inbox. Follow the steps in Verification code delivery troubleshooting. If the address is close to expiring, first make sure the extension succeeded. If you can’t extend it, use an email address you control long term.
06 · Suspension, changes, and contact
If we detect a violation of these terms, suspected fraud, infringement of others’ rights, or a risk to service security, we may limit requests, disable features, or end access. Urgent security issues may require immediate protective action. If you believe we’ve acted in error, contact support with the feature involved, when it happened, and details we can verify. Don’t send verification codes or access credentials.
We may change features or these terms for security, maintenance, or product updates. When applicable, we’ll update the date on this page and notify you appropriately on the site about changes that significantly affect your use. Check the latest information before continuing to use the service. If the changes don’t work for you, stop using the service and update important accounts and save any information you need beforehand.
Nothing in these terms excludes or limits rights or responsibilities that can’t be excluded under applicable law. For details on how we handle personal information, browser credentials, and email data, read our Privacy Policy. If you have questions about these terms, an email you received by mistake, or service restrictions, email support@inboxonce.com.
When contacting support, describe the issue
Include the page where the error occurred, when it happened, the error message, and the feature you were using. Don’t include login verification codes, full email contents, authenticator secrets, or inbox access credentials. If we need more information to investigate, we’ll explain what’s needed first.
Temporary tasks, temporary addresses
Make sure your use is permitted and you can finish in time before getting an address. Use an email account you control for accounts you may need to recover long term.