Searching for your one and one webmail login and landing on a page that looks completely different from what you remember? That’s because 1&1 rebranded to IONOS a few years back, and your inbox now lives at login.ionos.co.uk (or login.ionos.com), not the old 1&1 web address. Your emails, folders, and password haven’t gone anywhere, but the login page and branding have changed.

This guide covers exactly where to log in now, how to set up your inbox in Outlook, Thunderbird or your phone’s mail app, and how to fix the most common access problems, including what’s actually happened to old links like webmail.1and1.com.

What Happened to One and One Webmail?

If you’ve had a 1&1 email address for years, the rebrand explains the confusion. 1&1 Internet AG, the German company behind the original webmail service, rebranded under its parent company IONOS SE, and the webmail service itself is now generally referred to as IONOS Mail or IONOS Webmail.

Nothing about your actual mailbox changed in the process. Your emails, contacts, calendar entries, and folder structure carried across, and in most cases your existing username and password still work exactly as before. The main visible change is the login page itself, along with the general look of the interface once you’re in.

How to Log Into One and One Webmail

The current, correct way to complete your one and one webmail login is through IONOS’s own portal rather than any old 1&1 web address.

1. Go to login.ionos.co.uk if you’re a UK customer, or login.ionos.com more generally.
2. Enter your full email address (or your customer ID, if you prefer to log in that way).
3. Enter your password.
4. Click “Log In.”
5. If two-factor authentication is set up on your account, complete that step too before reaching your inbox.

Once logged in, your inbox looks and works much like any other browser-based email client, letting you read, send, and organise messages, along with setting up folders, forwarding rules, and your signature.

Webmail 1and1 Mail Login on Different Devices

The login process is broadly similar whether you’re on a computer, tablet, or phone, though the exact screen layout differs a bit.

Desktop and Browser Access

On a computer, going to login.ionos.co.uk directly in any modern browser (Chrome, Edge, Safari, Firefox) works fine. IONOS also sets a login cookie once you’ve signed in, which keeps you automatically logged in for up to 30 days on that specific device and browser, so you won’t need to re-enter your password every single time. This only applies on a device you actually own, since it’s not something you’d want enabled on a shared or public computer.

Mobile App Access

IONOS also offers a mobile mail app, historically named 1&1 Mail on some app store listings, available for both Android and iOS. It’s worth noting the app’s exact name may shift to IONOS Mail over time as the rebrand continues to roll out across all their products, so don’t be surprised if the listing looks slightly different depending on when you check.

1 and 1 Webmail Login for the UK

If you’re specifically in the UK, it’s worth using the UK-specific login and support pages rather than the general international ones, since account settings, billing, and support contact details are handled slightly differently by region.

Your UK-specific pages include login.ionos.co.uk for signing in and password.ionos.co.uk if you need to reset a forgotten password. IONOS does maintain separate regional login pages for the UK, France, Germany, and other markets, so bookmarking the correct one for your account avoids any unnecessary confusion later.

Setting Up One and One Webmail in Outlook, Thunderbird or Apple Mail

If you’d rather manage your 1&1 or IONOS email through a dedicated mail client instead of the browser, you can do that using standard IMAP, POP3, and SMTP settings.

• Incoming mail server (IMAP): imap.ionos.co.uk, port 993, with SSL encryption
• Outgoing mail server (SMTP): smtp.ionos.co.uk, port 465, with SSL encryption
• Username: your full email address
• Password: your account password

These settings work across most common mail clients, including Outlook, Thunderbird, and Apple Mail, and IONOS’s own help pages provide client-specific setup walkthroughs if you’d rather follow exact screenshots for your particular app. Server addresses and ports can shift slightly over time as providers update their infrastructure, so if a setup fails, it’s worth checking IONOS’s current help documentation for the latest exact values rather than assuming these will never change.

Forgotten Password and Two Factor Authentication

Locked out is one of the most common reasons people end up searching for webmail login help.

If you’ve forgotten your password, go to password.ionos.co.uk (or the equivalent page for your region) and follow the reset steps, which typically send a recovery link or code to a contact email address on file. It’s worth knowing that if you lose access to the password for a specific mailbox itself, it generally can only be recovered through your overall IONOS account, not through the mailbox directly.

For added security, IONOS offers two-factor authentication (2FA) on your account. If you haven’t turned this on, you may still occasionally be sent a six-digit confirmation code by email during login for security reasons, which is valid for 20 minutes before it expires and you’d need to start the login process again.

Common Login Problems and Fixes

A handful of issues come up repeatedly for people trying to access their inbox.

Old bookmark doesn’t work anymore. This is almost always tied to the 1&1 to IONOS rebrand rather than anything wrong with your account. Update your bookmark to login.ionos.co.uk and you should be back in business.

Automatic login stopped working. This is expected if it’s been more than 30 days since you last logged in on that device, or if you’ve cleared your browser’s cache and cookies, both of which reset the automatic sign-in cookie.

Verification code never arrives. Check the contact email address stored on your account under My Account, since that’s where security codes and reset links are sent. If it’s outdated, update it there directly once you’re able to log in another way.

Mail client won’t connect. Double check the exact server, port, and encryption settings against IONOS’s current help documentation, since a small typo in the server address or port number is the most common cause of a failed setup.

Is webmail.1and1.com Still Going to Work?

This is a genuinely fair question, and one worth answering honestly rather than guessing. As of the most recent information available, IONOS hasn’t published a specific date for when older 1&1 login addresses will stop redirecting to the current IONOS login page. The redirect does appear to be working for now, but there’s no public commitment about how long that will remain the case.

Given that uncertainty, the safest approach is simply switching over to login.ionos.co.uk directly rather than continuing to rely on an old bookmark that could stop working without much warning. The same caution applies to legacy mail client server settings like imap.1and1.com, since it’s not guaranteed these will keep working indefinitely either, even if they still do today.

Beware of Fake “1and1 Webmail” Sites

Worth a direct mention, since a search for “one and one webmail” or “1and1 webmail login” turns up a fair number of third-party guide sites, some of which are genuinely helpful and some of which exist mainly to rank in search results rather than to inform.

A few habits keep your account safe:

• Only enter your email address and password on a page where the address bar reads ionos.co.uk or ionos.com exactly.
• Be cautious of any site with a login box built directly into a blog-style article, rather than sending you to the genuine IONOS login page.
• If you’re unsure whether a link in an email claiming to be from IONOS is genuine, type login.ionos.co.uk into your browser yourself instead of clicking it.

FAQ

What happened to 1&1 webmail?

1&1 rebranded under its parent company, IONOS SE, and the webmail service is now generally called IONOS Mail or IONOS Webmail. Your existing mailbox, emails, and password carried across, and only the login page and branding actually changed.

Where do I log into my one and one webmail account now?

Go to login.ionos.co.uk if you’re in the UK, or login.ionos.com more generally, and sign in with your full email address and password. Old 1&1 login addresses currently redirect to the same place, though there’s no guarantee that will continue indefinitely.

Is IONOS the same company as 1&1?

Yes, IONOS SE is the current name for the parent company previously known as 1&1 Internet AG. The rebrand covers the company’s full range of products, including webmail, hosting, and domains, not just email specifically.

Can I still use webmail.1and1.com to check my email?

For now, the old address does appear to redirect to the current IONOS login page, but IONOS hasn’t published a firm date for when this redirect might stop working. It’s safer to switch your bookmark to login.ionos.co.uk directly rather than relying on the old link long term.

How do I set up my 1&1 or IONOS email in Outlook?

Use imap.ionos.co.uk on port 993 with SSL for incoming mail, and smtp.ionos.co.uk on port 465 with SSL for outgoing mail, along with your full email address and password as your login details. IONOS’s own help pages provide step-by-step guides specific to Outlook, Thunderbird, and Apple Mail if you’d rather follow exact screenshots.

What do I do if I forgot my IONOS webmail password?

Go to password.ionos.co.uk and follow the reset process, which sends a recovery link or code to the contact email address stored on your account. If you’ve lost access to that contact email too, you’ll need to go through IONOS’s account recovery support directly.

How long does automatic login last on IONOS Webmail?

Automatic sign-in via a browser cookie typically lasts up to 30 days on a device you’ve previously logged in from, though this can vary slightly depending on your browser and whether you clear your cache. It’s recommended only for devices you personally own rather than shared or public computers.

Why did I get a six-digit code by email when logging in?

If you haven’t set up two-factor authentication on your IONOS account, the system may occasionally send a six-digit confirmation code to your contact email address as an extra security check during login. This code is valid for 20 minutes before it expires and you’d need to try logging in again.