After switching networks, is your confirmation email still in the same inbox?

After switching networks, mail still goes to the address you submitted

Imagine checking into a hotel in 2026. You open Tmpsky on mobile data and copy a temporary address. Then you connect to the guest Wi-Fi and enter that address on the sign-in page. The page says, “Confirmation email sent.” You return to your inbox and see only two demo messages. It’s easy to think the network switch made your inbox disappear.

Don’t click “Get another address” just yet. The hotel system usually sends email to the address you entered; it doesn’t track which inbox you open afterward. Switching from mobile data to Wi-Fi doesn’t change the address. Instead, check whether the page can connect to the internet, whether you’re using the same browser environment, and whether the original address is still valid.

Before the network is authenticated, the sign-in page may load even though other websites won’t. The address still appearing on the old page doesn’t mean inbox requests are working. Keep the original tab open, check for a connection error, and fix the network first. Repeatedly creating new inboxes won’t test your connection.

First, separate connection, credentials, and expiry

Think of your temporary inbox browser credentials as a key. Your email address tells the sender where to deliver messages; the credentials let your current browser access and manage that inbox. Knowing the address doesn’t mean you have permission to read its mail.

So even if the service is called “one-hour email,” check the countdown next to the address. The brand name doesn’t set the expiry for your current address, and switching networks or leaving the tab open won’t add time. For details on waiting and renewal limits, see the Address lifetime guide.

Switching networks in the same browser? Check the address first

If you’re using the same browser and regular profile and haven’t cleared site data, switching from mobile data to hotel Wi-Fi usually won’t remove the inbox credentials saved locally. Once you’re connected again, return to the original tab and compare the full address with the one entered on the sign-in page.

Don’t rely on similar-looking names

The address prefix and domain must both match. If the portal allows it, go back and check, or compare the address with what you recorded before submitting it. Don’t assume an address is correct just because it’s “a Tmpsky address,” and don’t mistake a demo code on the homepage for the confirmation code sent by the hotel.

• The original address matches and is still valid: keep it and try one manual refresh.
• The page shows a network error: restore a working connection, then check your inbox.
• The address has changed: stop requesting another email and first check which address the portal has saved.

A manual refresh checks your inbox again; it doesn’t prompt the hotel to send a message. If no new email appears, that doesn’t prove the network switch deleted it. The sender may not have sent it yet, delivery may be delayed, or the address may have been rejected.

Captive portals and private windows may not share the same key

The sign-in window that pops up when your phone connects to public Wi-Fi may not be the same as your everyday browser. A built-in system page, an in-app browser, and a regular browser may each use separate storage. Even on the same phone, don’t assume they can all restore the same temporary inbox.

Keep the inbox in the browser you know

For a more reliable setup, get the address in your usual browser, copy it into the portal, and return to the original browser tab to check for mail. Use the captive portal window to complete the portal steps; there’s no need to open another Tmpsky inbox there. If a different address appears in that window, don’t use it instead of the original unless you’re ready to submit a new address to the portal.

A private window isn’t a backup for your regular one

Regular and private windows usually keep site storage separate, and private-window credentials may be cleared when the session ends. Don’t switch to a private window just to “start fresh,” and don’t close the only private session that still has access to the original inbox. Changing browsers, profiles, or site origins may also prevent the page from finding the original credentials.

Switching devices doesn’t sync inboxes, and logging in doesn’t claim one

Submitting an address on your phone and then opening the homepage on your laptop doesn’t mean you’ll see the same inbox. A new device usually won’t have the temporary email credentials saved on your phone, and may create a different address. Connecting both devices to the same hotel Wi-Fi doesn’t give them shared access.

Setting up email forwarding by logging in with your real email is a separate process. Logging in won’t search for, claim, or merge a temporary inbox created without an account, even if it has a similar name. It also won’t move old temporary messages to your dashboard. Don’t keep changing your login email to try to find a confirmation message.

If you need to stay in touch beyond a one-time verification, you can separately log in and set up email forwarding, then give the new alias to websites that need to contact you over time. Don’t use it as a way to recover an old inbox.

If you clicked “Get another address,” the portal’s saved address won’t update automatically

Suppose the portal has address A, and you then switch to address B in Tmpsky. The new inbox won’t receive messages sent to A, and changing your address won’t tell the hotel to update its recipient. Tmpsky creates a new inbox when you change addresses and invalidates the old one, so don’t expect to read old messages from the new page.

Go back to the portal and see whether you can change the email address. If you can, enter the valid address B and request another confirmation email according to the portal’s rules. If the only option is “Resend,” first check which address it will send to. Repeatedly requesting messages for the old address just means waiting for mail that doesn’t match your current inbox.

If the portal won’t let you change the address, use its help link or ask the front desk how to restart verification. Don’t bypass identity checks, work email requirements, or other explicit rules. To see whether a temporary address is suitable for this network, read the Public Wi-Fi email guide.

Follow these checks in order—waiting doesn’t guarantee delivery

If your hotel Wi-Fi confirmation email hasn’t arrived, first identify what changed, then decide whether to try again. This order can help prevent the confusion of “I changed the address but I’m still waiting for the old email,” but it can’t guarantee that a portal will accept temporary email or deliver a message.

1. Check the address. Compare the address submitted to the portal with the current inbox address, including the full domain. If they don’t match, fix the recipient in the portal first.
2. Check the expiry. Check how much time is left. If you need to keep waiting, renew using the page’s renewal option before expiry, then confirm the countdown has actually updated.
3. Check the browser. Return to the browser and profile you originally used to get the address. Don’t switch back and forth between a captive portal, private window, and regular window without checking.
4. Check the connection. Check whether the current network lets you access Tmpsky. If needed, briefly switch back to mobile data in the original browser to check your inbox, then return to the portal.
5. Check the sending status. Once the connection is restored, refresh manually once. If the email still hasn’t arrived, follow the portal’s resend interval and avoid repeated requests.
6. Find an alternative. If the portal rejects the domain, delivery keeps failing, or it requires a specific identity, use an accepted email address or contact on-site support.

Switching back to mobile data can help you check your connection, but some portal confirmations may also depend on the browser session or network used at the time. Don’t delete the original tab. Once you get the confirmation email, return to the portal and follow its steps. Receiving a message only confirms delivery; it doesn’t mean every link in it is trustworthy. Check the destination before opening a link.

Before leaving a shared device, handle these three things separately

If you borrowed a hotel computer, don’t assume that closing the window is enough to clean up. A temporary inbox, a forwarding account, and data stored on the device are separate things; handling one doesn’t take care of the others.

• Delete the temporary inbox: For an old inbox stored on the server, first make sure you no longer need its messages. Then delete it and check for a success notice. Changing addresses also invalidates the old one, but don’t leave behind credentials for the new inbox.
• Log out of your forwarding account: Clearing the login session on this device won’t automatically delete a separate temporary inbox or remove forwarded copies already received in your real inbox.
• Clear browser data: Remove locally stored site credentials and delete any downloaded attachments yourself. Clearing local data alone doesn’t send a deletion request to the server.

Do any deletions that require credentials first, then log out, and clean up the device last. Don’t erase the only key to your inbox and then try to come back to delete messages. For details on what’s covered and what isn’t, see the Privacy and data information.

Keep the original inbox for one-time verification; use a different address for ongoing needs

Whether a temporary email still works after switching networks depends on the original address, valid credentials, and remaining time—not the name of the new hotspot. Return to the original browser first and keep checking there. Don’t confuse changing addresses, switching devices, and logging in with the same recovery method.

If you’ll need this address for future accommodation updates, bills, or account recovery emails, a time-limited inbox isn’t the right fit on its own. Compare temporary email and email forwarding, then choose which address to give websites going forward. For important accounts and long-term recovery, use an email address you can keep control of and that meets the recipient’s requirements.