Email still drives nearly every serious business conversation on the internet. Whether you are invoicing a client, confirming a shipment, or simply staying in touch with your team, a dependable inbox is not optional. For millions of users across Europe and North America, that inbox has long been powered by 1 one 1 webmail — a professional email platform originally launched by 1&1 Internet and now operated under the IONOS brand. The service has gone through a major rebrand over the past few years, but the core promise remains the same: secure, affordable, domain-based email for professionals and small businesses. If you have been searching for clear answers about how this platform works, how to log in, how to set it up on your phone or laptop, and whether it still holds up against competitors like Gmail and Outlook, you are in the right place. This guide covers every angle of 1 one 1 webmail in plain language so that you can manage your email with confidence, no matter which device you are using.
What Is 1 One 1 Webmail and Why Does It Still Matter?
Before we get into logins and server settings, it helps to understand where this service came from and why so many people still rely on it today.
A Quick History — From 1&1 Internet to IONOS
The story begins in 1988, when 1&1 Internet was founded in Montabaur, Germany. Over the next three decades, the company grew into one of Europe’s largest web hosting providers, offering everything from domain registration to dedicated servers. Email was always part of the package. Customers who bought a hosting plan or registered a domain automatically received one or more email addresses tied to their domain name.
In 2018, the company merged its brand identity with ProfitBricks and relaunched as IONOS SE, a subsidiary of United Internet. The email product stayed the same under the hood — same servers, same mailboxes, same passwords — but the branding and login portals changed. That shift caused real confusion. Long-time users who had always typed “webmail.1and1.com” into their browser suddenly found themselves redirected to a different-looking IONOS portal. Search queries for 1 one 1 webmail, one and 1 webmail, and 1 and one webmail spiked as people scrambled to find the right login page.
The good news is that nothing was lost in the transition. Every email, contact, calendar entry, and filter rule carried over. Today, all new subscriptions are sold as IONOS Mail, but legacy accounts function exactly the same way they always did.
Who Uses This Service Today?
The typical user falls into one of several categories. Freelancers and solo entrepreneurs who want a branded email address like yourname@yourdomain.com make up a big share. Small and medium businesses with up to fifty employees are another core group, particularly in Germany, the United Kingdom, France, and Spain. Website owners who purchased an IONOS hosting package often use the bundled email without even thinking about it. According to a 2026 review by DualMedia, the platform earns a 4 out of 5 rating for its balance of affordability, GDPR compliance, and day-to-day reliability. IONOS now manages over eight million customer contracts worldwide, and a significant portion of those include at least one active email mailbox.
How to Complete Your 1 and One Webmail Login Step by Step
Getting into your inbox should take less than a minute. Here is exactly how to do it, whether you are on a desktop computer or a mobile device.
Accessing the IONOS Login Page
The current login portal sits at login.ionos.com. If you still have the old webmail.1and1.com address bookmarked, do not worry — it will redirect you to the correct page automatically. Once the login page loads, enter your customer ID or full email address in the first field. Then type your password and click “Login.” That is it. You should see your inbox within seconds.
One detail worth noting is that IONOS maintains separate regional login pages for users in the United Kingdom, Germany, France, and other countries. Always make sure you are using the correct regional portal. If the page loads in a language you do not recognize, look for a country selector in the footer.
What to Do If You Forget Your Password
On the login page you will see a “Forgot your login details?” link just below the password field. Click that, enter the email address or customer ID tied to your account, and IONOS will send a password reset message to your recovery address. Follow the instructions in that message to create a new password. It is a straightforward process, but keep in mind that the reset email may land in your spam folder, so check there if it does not arrive within a few minutes.
Logging In on Mobile Devices
You have three practical options for mobile access. The first is to simply open your phone’s web browser and go to mail.ionos.com. The webmail interface is fully responsive and adjusts to smaller screens without cutting off any features. The second option is to download the free 1&1 Mail app, which is available on both the Apple App Store and Google Play. The third option — and the one most power users prefer — is to configure the built-in mail app on your iPhone or Android phone using the IMAP settings covered later in this article.
Key Features That Make 1 One 1 Webmail a Solid Choice
Price alone does not make an email service worth using. What matters is whether the features behind that price actually support the way you work. Here is what the platform brings to the table.
Custom Domain Email Addresses
Every plan allows you to create email addresses tied to your own domain. Instead of handing out a generic Gmail or Yahoo address, you can use something like hello@yourcompany.com. That kind of branding matters more than most people realize. Studies consistently show that customers trust businesses with professional email addresses far more than those using free providers. IONOS makes setting this up painless, especially if your domain is already registered with them.
Generous Storage and an Ad-Free Inbox
The entry-level Mail Basic plan starts at roughly one dollar per month and includes two gigabytes of storage along with a ten-thousand-email monthly send limit. Higher-tier plans expand that storage significantly and raise the send ceiling. What sets 1 and one webmail apart from free providers is the complete absence of advertising inside the inbox. There are no banner ads, no sponsored messages, and no data mining for ad targeting. Your inbox is yours.
Built-In Calendar, Contacts, and Cloud Storage
The webmail dashboard is more than just an inbox. It includes a calendar for scheduling meetings and deadlines, an address book for managing contacts, and integrated cloud storage for attaching and sharing files. These tools sync across every device when you connect through IMAP, which means an appointment you add on your laptop will show up on your phone instantly.
Spam and Virus Protection
All plans come with built-in antivirus scanning and spam filtering. IONOS updates its security systems continuously to react to new threats as they appear. You can also fine-tune your protection by creating custom blacklists and whitelists. If a trusted sender keeps landing in spam, adding them to the whitelist fixes the problem permanently. Users on higher-tier plans get access to premium security features that offer even more granular control.
AI Email Assistant
Starting in 2024, IONOS rolled out an optional AI assistant that helps you write, reformulate, translate, and summarize emails. It is available as a paid add-on after a short trial period. While it does not yet match the depth of Microsoft’s Copilot or Google’s Gemini integration, it handles routine tasks like drafting quick replies and translating messages into other languages surprisingly well.
Setting Up 1 One 1 Webmail on Desktop and Mobile Email Clients
Not everyone wants to check their email through a web browser. If you prefer using Outlook, Thunderbird, Apple Mail, or a mobile app, you will need to configure a few server settings. This section walks you through everything.
IMAP vs. POP3 — Which Should You Pick?
These are the two main protocols for receiving email, and choosing the right one matters. IMAP keeps your messages on the server and synchronizes them across every device you use. Delete an email on your phone, and it disappears from your laptop too. POP3, on the other hand, downloads messages to a single device and can optionally remove them from the server afterward. For most people in 2026, IMAP is the better default. It gives you a consistent inbox no matter where you check it, and it protects you against data loss since everything stays backed up on the server.
IMAP and SMTP Server Settings for IONOS
Here are the exact settings you need to plug into any desktop or mobile email client:
- Incoming Mail (IMAP): Server — imap.ionos.com, Port — 993, Encryption — SSL/TLS
- Outgoing Mail (SMTP): Server — smtp.ionos.com, Port — 587, Encryption — STARTTLS
- Alternate SMTP: Port — 465, Encryption — SSL (use this only if port 587 is blocked on your network)
- Username: Your full email address
- Authentication: Make sure “My outgoing server requires authentication” is checked
These settings work across Outlook, Thunderbird, Apple Mail, Samsung Mail, and virtually every other standards-compliant email client on the market.
Quick Setup Walkthroughs
In Outlook, go to File, then Add Account, enter your full email address, and choose “Let me set up my account manually.” Select IMAP as the account type, then enter the server names and port numbers listed above. In Apple Mail on a Mac or iPhone, go to Settings, then Mail, then Accounts, tap “Add Account,” choose “Other,” and fill in the same IMAP and SMTP details. For Thunderbird, the software often auto-detects IONOS settings once you enter your email address. If auto-detection fails, just plug the values in manually. In every case, if port 465 gives you trouble, switch to port 587 with STARTTLS encryption and the problem will almost certainly resolve itself.
Security Best Practices for Your Webmail Account
A professional email account is only as safe as the habits of the person using it. Whether you searched for one 1 one webmail or landed here through another route, these three practices will keep your account locked down.
Enable Two-Factor Authentication
Two-factor authentication, commonly called 2FA, adds a second verification step beyond your password. After entering your password on the login page, you will be asked to confirm your identity through a code sent to your phone or generated by an authenticator app. IONOS supports this feature through its control panel, and enabling it takes less than five minutes. It is one of the single most effective things you can do to prevent unauthorized access.
Create a Strong, Unique Password
Modern password guidance from organizations like NIST emphasizes length over complexity. A long passphrase — something like “coffeeMug-sunrise-October42” — is far more secure than a short, symbol-heavy password that you cannot remember. Use a dedicated password manager to generate and store your credentials. Never reuse the same password across multiple accounts, because a breach on one site can compromise every other account sharing that password.
Recognizing Phishing and Fake Login Pages
Phishing remains the most common way email accounts get compromised. Attackers send emails that look like they come from IONOS, asking you to “verify your account” or “update your billing information.” These messages link to fake login pages designed to steal your credentials. The defense is simple. Never click login links inside an email. Always go directly to login.ionos.com by typing the address into your browser. Check the URL bar for the green padlock and the correct domain name before entering your password. IONOS will never ask for your password through an email.
Troubleshooting Common Problems
Even the most reliable services run into hiccups. Here are the issues that users of 1 and one webmail report most often, along with the fixes that work.
“Cannot Connect to Server” Errors
This is almost always a settings problem. Start by double-checking that you have entered the correct IMAP and SMTP server names — imap.ionos.com and smtp.ionos.com. Verify that the port numbers are right: 993 for IMAP and 587 for SMTP. Make sure SSL/TLS or STARTTLS encryption is enabled. If your network blocks port 465, switch to 587. Some corporate and hotel Wi-Fi networks restrict outbound email ports, and this swap alone fixes the issue in the vast majority of cases.
Login Page Redirects or Will Not Load
If the login page behaves strangely — redirecting in loops, displaying errors, or failing to load altogether — start by clearing your browser cache and cookies. Then try opening the page in an incognito or private browsing window. This rules out interference from browser extensions. If the issue persists, try a different browser entirely. Also confirm that you are using the right regional login URL for your country.
Emails Not Syncing Across Devices
When emails appear on your laptop but not on your phone, or vice versa, the culprit is almost always POP3. POP3 downloads messages to a single device and does not synchronize across others. The fix is to switch your account to IMAP on every device. Remove the existing POP3 account from your email client, set up a new account using the IMAP settings listed earlier in this article, and let the mailbox resync. Once everything is running on IMAP, your inbox will stay perfectly consistent across every device you own.
Contacting IONOS Support
If none of the troubleshooting steps above solve your problem, IONOS offers 24/7 customer support through both phone and live chat. Users consistently praise the support team for being knowledgeable and easy to work with. The IONOS Help Center also provides a large library of self-service articles covering everything from server settings to domain management.
How 1 and One Webmail Compares to Gmail, Outlook, and Other Providers
No email service exists in a vacuum, so it is fair to ask how 1 one 1 webmail stacks up against the competition. Here is a realistic comparison based on the factors that matter most.
Pricing
IONOS Mail Basic starts at around one dollar per month, which undercuts both Google Workspace and Microsoft 365 by a wide margin. Google Workspace begins at six dollars per user per month, and Microsoft 365 Business Basic starts at the same ballpark. For freelancers and very small teams on tight budgets, the savings are meaningful.
Storage
The entry-level IONOS plan offers two gigabytes of storage, which is fine for light email use but limited compared to the fifteen gigabytes that a free Gmail account provides. Higher IONOS plans expand storage considerably, and cloud storage is included as a bonus on several tiers.
Privacy and GDPR Compliance
This is where IONOS shines the brightest. The company operates data centers in Germany and other European locations, fully compliant with GDPR and strict EU data protection standards. Your emails are not scanned for advertising purposes. For businesses that handle sensitive customer data or operate under European privacy regulations, this is a serious advantage that neither Gmail nor Outlook can match without extra configuration and higher pricing tiers.
Productivity Tools
Gmail and Outlook win here. Google Workspace includes Docs, Sheets, Slides, Meet, and Drive. Microsoft 365 gives you Word, Excel, PowerPoint, Teams, and OneDrive. IONOS does not bundle an office suite with its email plans. If your team relies heavily on collaborative documents and video conferencing, the Google or Microsoft ecosystems are still the stronger choice.
Uptime and Reliability
IONOS guarantees 99.9 percent uptime and runs georedundant data centers, meaning your data is mirrored across multiple physical locations for disaster recovery. Independent hosting reviews on HostAdvice give the platform a 4.4-star rating based on hundreds of user reviews, with reliability and customer service earning the highest marks.
The bottom line is this: if you need affordable, privacy-focused, professional email without the overhead of a full productivity suite, 1 one 1 webmail under the IONOS brand remains one of the best options available. If you need deep collaboration tools and are willing to pay more, Google Workspace or Microsoft 365 will serve you better.
Conclusion
Despite the name change from 1&1 to IONOS, the email service that millions of professionals have relied on for decades is still very much alive and actively maintained. Your mailbox, your contacts, your filters, and your calendar entries all remain exactly where they have always been. The only real difference is that you now log in through login.ionos.com instead of the old webmail.1and1.com address.
Throughout this guide, we have covered what 1 one 1 webmail is and where it came from, how to handle your 1 and one webmail login on any device, the key features that make the platform worth using, the server settings you need for Outlook, Thunderbird, and Apple Mail, security practices that protect your account, and how the service measures up against Gmail and Outlook. Whether you are a freelancer managing a single inbox or a small business owner coordinating a team of twenty, this platform delivers professional-grade email at a fraction of what the big-name competitors charge.
If you have not done so already, take five minutes to bookmark your login page, enable two-factor authentication, and confirm that your devices are running IMAP instead of POP3. Those three small steps will make your experience with 1 one 1 webmail noticeably smoother and more secure heading into the rest of 2026 and beyond.
Frequently Asked Questions
FAQ 1: What is 1 one 1 webmail?
1 one 1 webmail is a professional web-based email service originally provided by 1&1 Internet, which is now operated under the IONOS brand. It allows users to send, receive, and manage emails through a browser using a custom domain address. The service is bundled with IONOS hosting plans and is also available as a standalone email product.
FAQ 2: Is 1 one 1 webmail the same as IONOS webmail?
Yes, they are the same service. In 2018, 1&1 Internet rebranded to IONOS SE, but the email infrastructure, mailbox data, and account settings remained completely unchanged. Legacy users still access the same inbox through the updated IONOS portal at login.ionos.com.
FAQ 3: What is the correct login URL for 1 one 1 webmail?
The current official login page is login.ionos.com, which replaced the old webmail.1and1.com address. If you visit the old URL, it will automatically redirect you to the new IONOS portal. Always bookmark the correct page to avoid phishing sites.
FAQ 4: How do I log in to my 1 one 1 webmail account?
Go to login.ionos.com, enter your customer ID or full email address in the first field, type your password, and click the “Login” button. If you have two-factor authentication enabled, you will also need to enter a verification code sent to your phone or authenticator app.
FAQ 5: What should I do if I forgot my 1 one 1 webmail password?
Click the “Forgot your login details?” link on the IONOS login page and enter your email address or customer ID. IONOS will send a password reset link to your recovery email address. Follow the instructions in that message to create a new secure password.
FAQ 6: Can I access 1 one 1 webmail on my phone?
Yes, there are three ways to access it on mobile. You can visit mail.ionos.com in your phone’s browser, download the free 1&1 Mail app from the App Store or Google Play, or configure your phone’s built-in email app using the IONOS IMAP server settings.
FAQ 7: What are the IMAP and SMTP settings for 1 one 1 webmail?
For incoming mail, use IMAP server imap.ionos.com on port 993 with SSL/TLS encryption. For outgoing mail, use SMTP server smtp.ionos.com on port 587 with STARTTLS encryption, or port 465 with SSL as a fallback. Your username is always your full email address.
FAQ 8: How do I set up 1 one 1 webmail in Outlook?
Open Outlook, go to File and then Add Account, enter your full email address, and choose the manual setup option. Select IMAP as the account type, enter imap.ionos.com for incoming mail and smtp.ionos.com for outgoing mail, set the correct port numbers and encryption, and check that outgoing server authentication is enabled.
FAQ 9: How do I set up 1 one 1 webmail on iPhone or iPad?
Go to Settings, then Mail, then Accounts, tap Add Account, and choose Other. Enter your name, full email address, and password, then fill in the IMAP server as imap.ionos.com with port 993 and the SMTP server as smtp.ionos.com with port 587. Save the settings and your inbox will begin syncing.
FAQ 10: Should I use IMAP or POP3 for 1 one 1 webmail?
IMAP is recommended for most users because it keeps your emails stored on the server and syncs them across all your devices in real time. POP3 downloads emails to a single device and can delete them from the server, which makes it a poor choice if you check email on more than one device.
FAQ 11: How much does 1 one 1 webmail cost per month?
The Mail Basic plan starts at approximately one dollar per month and includes 2 GB of storage, virus protection, and spam filtering. Higher-tier plans like Mail Business offer expanded storage, additional security features, and support for more user accounts at slightly higher monthly rates.
FAQ 12: Does 1 one 1 webmail offer a free plan?
There is no permanently free standalone plan, but email is typically bundled at no extra charge with IONOS hosting packages. IONOS occasionally offers promotional introductory pricing as low as one dollar per month for the first year, though renewal rates increase after the initial term.
FAQ 13: Is 1 one 1 webmail GDPR compliant?
Yes, IONOS operates data centers in Germany and other European locations that fully comply with GDPR and EU data protection regulations. Your emails are not scanned for advertising purposes, making it a strong choice for businesses that handle sensitive personal or customer data.
FAQ 14: Does 1 one 1 webmail support two-factor authentication?
Yes, two-factor authentication is available and can be activated through the IONOS control panel. Once enabled, you will need to enter a verification code from your phone or authenticator app every time you log in, adding a critical layer of protection against unauthorized access.
FAQ 15: How do I set up email forwarding in 1 one 1 webmail?
Log in to your IONOS webmail account, go to Settings, and find the Email Forwarding or Auto Forward option. Enter the destination email address where you want messages forwarded, such as a Gmail account, and save the changes. New incoming emails will then be automatically copied to the forwarding address.
FAQ 16: Can I use a custom domain with 1 one 1 webmail?
Yes, custom domain email is a core feature of the service. Every IONOS email plan lets you create professional addresses like yourname@yourdomain.com, which is significantly better for brand credibility than using free email providers. You can register a new domain through IONOS or connect one you already own.
FAQ 17: Why are my 1 one 1 webmail emails not syncing across devices?
This usually happens because one or more devices are configured with POP3 instead of IMAP. POP3 downloads emails to a single device and does not synchronize with the server. Switch all your devices to IMAP with imap.ionos.com on port 993, and your inbox will stay consistent everywhere.
FAQ 18: What do I do if I get a “cannot connect to server” error?
Double-check that your IMAP server is set to imap.ionos.com with port 993 and that SSL/TLS encryption is enabled. For outgoing mail, confirm smtp.ionos.com with port 587 and STARTTLS. If port 465 is blocked on your network, switching to port 587 resolves the issue in most cases.
FAQ 19: How do I migrate emails from 1 one 1 webmail to Gmail?
Open Gmail, go to Settings, then Accounts and Import, and click Add a mail account. Enter your IONOS email address, choose POP3 import, and provide the server details. Gmail will then begin fetching your existing emails from the IONOS server, though large mailboxes may take several hours to finish.
FAQ 20: Can I back up my 1 one 1 webmail emails to my computer?
Yes, log in to IONOS Webmail, select the emails or folders you want to save, click the three-dot menu, and choose Save as file. Single emails are saved as EML files and multiple emails are saved as a ZIP archive. You can also use Thunderbird with IMAP to download a full local copy of your entire mailbox.
FAQ 21: What happens to my emails if I cancel my 1 one 1 webmail account?
If you cancel your domain or IONOS package, the email addresses tied to that domain will be deleted, but IONOS temporarily preserves your mailboxes under a backup address to prevent accidental data loss. You should export all important emails before cancellation to ensure you do not lose access permanently.
FAQ 22: How does 1 one 1 webmail compare to Gmail for business use?
The main advantages of 1 one 1 webmail are its lower price, ad-free inbox, custom domain support, and European GDPR-compliant data storage. Gmail offers more storage on the free tier, stronger spam filtering powered by Google’s infrastructure, and a full productivity suite including Docs, Drive, and Meet that IONOS does not match.
FAQ 23: Does 1 one 1 webmail have a built-in calendar and contacts feature?
Yes, the IONOS Webmail dashboard includes an integrated calendar for scheduling appointments and a full address book for managing contacts. Both features sync across devices when you connect through IMAP, and you can export your calendar data as ICS files and your contacts as CSV or vCard files.
FAQ 24: Does 1 one 1 webmail offer an AI email assistant?
Yes, IONOS introduced an optional AI email assistant as a paid add-on starting in 2024. It can help you draft replies, reformulate messages, translate emails into other languages, and summarize long threads. While useful for everyday tasks, it is not yet as advanced as Microsoft Copilot or Google Gemini integrations.
