Bild Berliner Dom

E-mail, Cloud storage, Office & Video conferences

  • Secure, anonymous, and ad-free
  • The leading German consumer safety organisation "Stiftung Warentest" says: Security & Privacy protection: Excellent (1,0)
  • Powered by 100% eco-friendly energy
  • Server location in Germany for only €1 per month

We offer affordable and secure e-mail inboxes for private & business: Easy to remember, and recognizable internationally. Our team has more than 20 years of experience in the provision of e-mail and related services. We have the technical know-how and personal motivation to deliver the best-possible service to our users. You can rest assured that there are no hidden interests or compromises here: Your data belongs to you only and we will always do our utmost to protect your privacy.

Our web-mail client

Whether you use a PC, tablet computer, or smartphone: our web-mail client is easy and comfortable to use with any device. features an inbox interface that uses tabs to organize the content and that can be customized and trained by the user so that e-mails are automatically moved into sub-folders for private, business, social media, or shopping-related messages.

Experience tells us that the use of encryption is only successful if it is both secure and easy to use without hassle. Our web-mail client provides encryption for the sending and receiving of e-mails without requiring the installation of any extra software. Encryption becomes an automatic part of the process - even when you use other devices away from home.

Discussion threads

Push notifications

PGP with web-mail

Spam-/ virus protection

Full-text search


No data loss when you close the browser window

Generate down load links for large attachments

Self-learning tabbed inbox

Encrypted sending - guaranteed

Manage multiple inboxes from a single view Office: Your virtual desk

With Office, your virtual desk is available around the clock, wherever you are.

Your online office: everything in one place

At, you get much more than just a secure e-mail inbox: All our price plans include a cloud office suite for editing documents, managing appointments, as well as other common office features such as task lists and an address book - all in one place and available when and wherever you need it.

  Your personal office

Everything in one place: Use your virtual desk to manage your e-mails, files, external RSS feeds, and twitter account.

Learn more

  Address books

Create different address books for managing your private and business contacts. Your calendar will remind you automatically when one of your contact's birthday is coming up.

Learn more


Make plans! You can maintain different calendars , give other people permissions for access or subscribe to public calendars (e.g., public holidays, foot ball events, etc.).

Learn more

  Task planner

What do you need to do today? Use our handy task planner to never forget any of the important things on your list - including your shopping!

Learn more

  Word processing & Spread sheets

Work on Word or different OpenOffice word documents directly in your browser, either by yourself or jointly with others, wherever you are. Group presentations are also supported.

Learn more

  Mobile Sync

Calendar, contacts, files, e-mails: You can sync all of these by using our app. Photos taken with your mobile phone can also be uploaded to your cloud storage.

Learn more

Bild Berlin Fernsehturm

Cloud storage

You would like to manage your documents, photos, and other files in the cloud - encrypted and compliant with data protection laws? With, that is no problem at all.

Store, share, edit your data

Whether it's just for you or an entire team: With the Cloud storage ("Drive"), you can keep all your documents, photos, videos, and music online, synchronize them with different devices, and share them with others. The upload is really simple - just drag & drop a file in your browser window. Use the mobile app to synchronize with your mobile phone and other devices. The mobile OX app makes sure that you can access your data everywhere.

Work together with others

Grant guest access to individual files or entire folders and work jointly with others on documents - live.

Sync & Share

Transmit photos from your mobile phone to the Drive so that nothing will ever get lost. View a gallery with a single click.

Securely encrypted

Better safe than sorry! You can encrypt all files in your cloud storage with your personal PGP key.

Send by e-mail

Files from your Drive can be shared by e-mail. Just insert the download link into your message. This link can be permanent or expire after some time - just as you need.

Multimedia viewer

PDF and office documents can be viewed directly in your browser, and the multimedia viewer will play back music and videos.

Bild Prenzlauer Berg



Secure video conferences

Ideal for families, teams and companies: puts your video conferences in a secure environment.

Video conferences on German servers: Secure and GDPR-compliant

We offer private customers and team accounts secure video conferences with up to 10 participants, with a solution that is based on our further development of the open source software „Jitsi“. For companies up to 25 participants are possible in one conference. All the necessary servers are run by us in our data centers in Germany.

This is how we can guarantee the best-possible data protection for your personal data and conversations: Be it video-chatting with your family, discussing your homework within the learning group, attending musical training that is currently done remotely, or having a small business conference if you are self-employed and want to avoid any issues with DSGVO compliance and the US Privacy Shield. - So, in short: This feature is for anyone who cares about who else might be watching or listening in.

Using best-in-class encryption and data protection: Privacy made in Germany.

Quick and easy to use

Access your Office and set up your own virtual conference room, with optional password protection, and then simply inform your participants by distributing an invite link via e-mail.

Those attending need only a regular web browser to do so (We recommend Firefox or Chrome) – there is no additional software required! Alternatively, participants can use the service on mobile devices by downloading a free client app, available for Google Android or Apple iOS. For more information, check out our knowledge base.


Up to 10 participants

Runs in the browser

Send invites by e-mail

Password protection

Share your screen


Unlimited session duration

Built-in text chat & poll

Moderator features for participant management

Encrypted connections

Mobile ready
(iOS & Android)

New: OpenTalk, the future of secure video conferencing

The introductory phase of OpenTalk has started! All customers in the PREMIUM and STANDARD plans can try out the new video conferencing solution from the Heinlein Group.

OpenTalk is newly developed from the ground up. It is user-friendly, secure and ensures digitally sovereignty for providers, companies and public authorities. Like our other services, operates the new video conferencing solution within our own data centre in Germany and of course, it’s GDPR-compliant.

Learn more about the introductory phase of OpenTalk ->




Custom domain names at

Use all our features and security measures with your own domain name.

Want to keep your own domain name? No problem.

You already have a registered domain name and want to use with your existing e-mail address? That's no problem at all - just associate your domain name with and you're good to go. Not only can you keep using your previous e-mail address, you will also benefit from all the tools and almost all security features offered by

Available in the STANDARD and PREMIUM price plans. For more information about the use of custom domain names with, have a look at our Knowledge Base.

Bild Prenzlauer Berg

Our prices

Test us free of charge for 30 days, without any obligations. You can then choose a price plan that suits your requirements and your budget.

Individual price plans for all your needs

Be it a private e-mail inbox for yourself, e-mail for everyone in your family, or serving professional teams of up to 10 people: offers e-mail communication for all purposes.


Our most comprehensive secure e-mail inbox including priority customer support.


per user / month

Get started.
Try it free for 30 days.


Our best allrounder: Secure e-mail & many features, with data protection made easy.


per user / month

Get started.
Try it free for 30 days.


Our basic package: Secure e-mail, calendar, and address book.


per user / month

Available after
free trial period.

Mail storage inclusive

25 GB

10 GB

2 GB

Cloud storage inclusive

50 GB

5 GB






Custom domain names i

Link your own domain names with

only in team accounts i

Only available for team members.

Ad-free, no tracking

Servers exclusively based in Germany

Plan & details




External POP3-accounts retrievable




Disposable e-mail addresses

50 valid for 1 year

25 valid for 90 days


Aliases for your custom domain name



only in team accounts i

Only available for team members: 3 aliases @customdomains

Protection against re-registration i

The time period within which your e-mail address cannot be registered again by anyone after deletion.

At least 2 years

At least 1 year

90 days

Extensible storage capacity


Additional mail storage per 1 GB




Additional cloud storage per 5 GB




Minimum contract period i

The paid-for account balance determines the effective contract period. Only in the LIGHT package are users required to top up at least €12.

1 month

1 month

1 year

Support & service

Priority i

We will normaly respond to queries within 24 hours (business days only).

Regular i

We will normally respond to queries within 48 hours (business days only).

Limited i

We will be able to help with questions about your contract, credit balance, and password reset only.

FAQ database

User forum

E-mail helpdesk

Priority support

Contract-related questions only

Telephone support i

PREMIUM users benefit from a callback service on business days between 9AM and 6PM German time. Coming in summer 2021.



Self-service backup i

We provide backup files for download. Use entirely at your own risk.

Additional fee

Moving service (audriga)


E-mail & calendar & contacts

Web mail client, IMAP, POP3

Calendar, contacts, tasks

Mobile sync

Mobile apps i

E-mail, calendar and contact formats are compatible with standard iOS and Android apps.

Incoming e-mail push notifications

Professional spam and virus protection

Different webmail designs


Security & encryption

TLS check i

Our servers will check if your recipient’s provider supports encrypted e-mail transmission. i

Alias for enforced secure data transmission via SSL/TLS.

Guard: PGP with web mail client

Mailvelope: PGP in the browser

PGP-encrypted Inbox

Dedicated PGP key server (HKPS)

One-time passwords / 2FA

Blocking of unwanted senders

Anonymous payment

Online office & cloud storage


Edit documents online i

Create and edit documents, spreadsheets and presentations online.


Drive – secure cloud storage


Drive app for mobile devices i

The OX Drive app can be used for file synchronisation.


Appointment scheduling i

With Framadate you can easily coordinate appointments and create polls.


Multi-user text editor i

With Etherpad you can collaborate in a web-based text editing tool with several people.


Video conferences & web chat


Video conferences

Up to 10 participants

Up to 10 participants


Simultaneous video conference rooms




XMPP web chat


Team account & collaboration


Team accounts with up to 10 users

As member

Share calendars, contacts, and appointments

Share documents


Share cloud storage


Joint or separate billing

Data protection & CDP agreement

No CDP agreement

German data protection standards

GDPR-compliant CDP agreement


Compliant with German BRAO legislation

On request

On request


Digital legacy i

Determine what happens to your data and who gets access to your account when you die.

All prices include VAT, charged at the rate set by the customer’s country of residence.



Umzugsservice bei

It is so easy to move to

Move to us with your e-mails, calendar, tasks, or files - quick, easy, and securely.

Moving to made easy

Do you already have an e-mail inbox and want to move it to No problem: You can use our free 30-day trial account to move your account and any associated data to step-by-step. Alternatively, you can also leave everything in place and set up access to any existing services through the new web front-end.

For those who prefer not to get their hands dirty with the technical details of moving account, our competent partner audriga offers a secure and easy-to-use moving service. audriga is based in Germany and a well-established data-portability service provider. They specialize in the migration of e-mail, groupware and cloud storage systems. The audriga technology allows comprehensive and secure data transfer between systems, and makes it easy for anyone to move not just their e-mails but also e-mail attachments, e-mail status information, contacts, calendars, and files. We have been working with audriga for many years and our experience with them has been very positive throughout.

More information about the moving service can be found in our Knowledge Base.

Bild Brücke Business

The award-winning e-mail- and communication platform for your business.

Because it matters where you host: Groupware at

It doesn't always have to be GMail or O365: offers e-mail and groupware hosting for business and enterprise customers. Benefit from our extensive experience and know-how, careful administration, and data protection that you can really trust.

Business Mail

  • Central management console
  • E-mail and Groupware
  • Online word processing
  • Cloud storage with sharing options
  • Mobile sync
  • Video conferences
  • Service & support packages
  • GDPR data processing agreements

monthly from (ex VAT)

Find a plan

Plenty of features and easy to use: Business

Central account management console, flexible billing methods, a personal contact for your business, dedicated service-level agreements, groupware to facilitate team work and boost your productivity. Find out more about the advantages of Business and all the little extras our business customers get that are not available to private users.

Discover Business Mail

Find the mail solution that is right for you

We are happy to discuss individual solutions that fit any requirements and special wishes our customers may have. All business and enterprise customers benefit from a dedicated contact person at our company who will be happy to help and advise on the mail hosting solutions that might best suit your needs. Your contact will also guide you through any necessary steps and make sure everything goes smoothly. Simply use our contact form to get in touch!

Contact us