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No time for server administration, maintenance, or trouble-shooting? Our award-winning service is also available for business customers.


Mail- and groupware for your business Business is the optimal e-mail and communication platform for your business. Highly customizable and flexibly scalable according to your requirements. In addition to e-mail, cloud storage, and groupware our service also includes an office suite - a secure alternative to GMail and MS Office 365. Software-as-a-Service on secure serves located in Germany, with availability ensured by two redundant data centers.

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

Stay flexible

Do you have people working from different office locations, home offices, or on the go? With Business, your staff can work location- & device-independent with data provision from a single source and data centrally available in one place. This makes it easy to integrate new staff and freelance workers into existing operational processes. Just create a new inbox and the associated virtual office including messaging system will be ready to be used. Data protection compliant and secure.


Register now for Business Mail

Give your staff the tools they need to be productive: Comprehensive functionality, with all data available in one place, easy to use, accessible from the office and on the go. Have more time to focus on your business - we will sort out the rest.


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More than just a secure e-mail inbox offers a comprehensive communication platform for all organisations desiring a solution that is compliant with data protection regulations.

  • GDPR-compliant, Germany-based server
  • Feature-rich communication suite
  • Flexible solution, simple integration
  • Open standards: no vendor lock-in
  • Central administration interface for admins & API


At the core of our service is a professional e-mail inbox. It's easy to use and navigate and comes with a calendar, address book and many other features included.

  • Webmail client: No local software installation required
  • Works with IMAP in other e-mail clients
  • Includes address books and calendars
  • PGP and S/MIME works in the Webmail client
  • Download links for large e-mail attachments

Learn more

Online Storage

The Online Storage keeps all your documents in one place, so you can access them from any place and at any time. With the Online Storage, it's easy to upload, manage and share files.

  • Upload files using Drag & Drop
  • Ideal for collaboration within a team
  • Effective permissions management
  • Sharing (Password protection and expiry date optionally available)
  • PGP encryption of all files optionally available

Learn more


Create and edit your files at any time and from anywhere. The sharing of and working on documents collaboratively has never been easier. The Online Office offers word processing, spreadsheets, and presentations.

  • Runs in the browser, without installation
  • Create and edit documents, spreadsheets, and presentations
  • Work online and directly on your Cloud Storage
  • Share web links to files, with guest access for recipients available

Learn more

Video conferencing

Users can rely on our video conferencing solution: Stable and reliable, based on open-source software and hosted in our data centres. As easy as a phone call and almost as good as a face-to-face conversation.

  • OpenTalk, the video conferencing solution by Heinlein Support.
  • Runs completely in your Web browser
  • Many features included

Learn more

Admin interface & API

The administration interface for your organisation's administrator provides all required information in a single place. Admins can perform all kinds of common tasks such as setting up mailboxes, changing price plans for individual users, or resetting user passwords.

  • Easy setup of your domain names
  • Straightforward configuration of employee inboxes
  • Individual feature adjustment
  • API available
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Your advantages at Business

Account management, API integration, GDPR-compliant commissioned data processing agreements, moving service: Business e-mail hosting that suits all your needs.



Features of Business

Key differences between Business and our private accounts:

  • E-mail addresses use your business domain name
  • Arbitrary user groups sharing calendars, contacts, files, etc.
  • A central account management interface for all e-mail addresses and settings
  • API for user management, process integration, or your user portal
  • Billing options offer VAT deduction and Direct Debit
  • Priority support & service according to your needs - 24/7 if required
Central management & API

Stay on top of everything! As a Business Mail customer you get your own dedicated management interface and have full control over all relevant aspects of your mail hosting environment.

  • Central administration
    Use your central administration interface to manage your contract, domains, inboxes, forwarding addresses, passwords, storage space and all other account settings.

  • Allow individual settings?
    Decide to which degree your users may modify settings for spam filters, backup and storage space (Quota).

  • Group ware and user groups
    Define different user groups within your account and allocate groupware resources such as calendars, contacts, and files for easier collaborative use.

  • API for Pros
    Are you maintaining a larger environment and have individual management processes? Or would you like to offer our services to your customers as a reseller? All settings can be controlled through our API which allows integrating our system into your infrastructure.
Support & Service

Depending on your chosen service package, our specialists are available to assist your account administrator either via e-mail or on the phone – in case of emergency around the clock, 24/7. Just choose what level of support best suits your needs.

  • 2nd/3rd-level support provides 2nd/3rd-level support for you as a business customer or your designated account administrator.

  • 1st-level support with selected price plans
    We can also assist you in providing 1st-level support for your employees (on request). Please note that this is only available for customers on our STANDARD or PREMIUM price plans.

  • Dedicated contact person
    Your personal contact stands ready to answer any questions you may have about the onboarding process or the contract (Business service packages Platinum or Gold only).
Contract & Billing

As a business customer of you are always flexible:

  • Flexible contracts
    E-mail addresses can be set up and removed on a daily basis. Any tariff changes made apply immediately. You can also scale your booked storage space on short notice and will only pay for what you need.

  • Billing options for businesses
    Monthly collective VAT invoices. Direct Debit available.

  • Short notice cancellation
    We will never lock anyone into expensive annual contracts. Our customers are with us because they want to. Short notice periods are a given at
Consultation, Planning & Moving

You are unsure about what exactly your requirements are? You already have a significant body of data in the cloud and are worried things might get difficult when you move? No matter if you are currently using GMail, Office365, another hosting provider, or your own dedicated solution: Professional help is available - before, during, and after your move.

  • Support for you and your administrators
    What is possible, useful, and reasonable? As a business customer, you will have a dedicated contact person at who will answer your questions, sort out any issues, and coordinate your move to us.

  • Moving with audriga
    Our partner audriga provides methods that automatically move your existing data and accounts, such as e-mail, calendars, contacts, and files from your cloud storage.
    This works like a premium relocation service: When you enter your new Office, your furniture is already there and all your stuff in the right place.

  • Help with configuration matters
    If you have any questions about apps and software, or need advice on established methods and best practices, your personal key account manager will be happy to support your Onboarding.
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The best security for your privacy at

Privacy made in Germany.



We will do everything to protect you.

With us, you can encrypt your e-mails directly in the webmailer with PGP, as well as your entire mailbox. You don't need to be an IT security expert to do this. That's us at Our long-standing experts protect your data on our systems. This is another reason why we do not operate on rented servers, but with our own redundant infrastructure in our Berlin data centres.

We were also able to convince the Federal Office for Information Security with our service. The PREMIUM, STANDARD and LIGHT plans bear the BSI's IT security mark.



Security highlights

  • Professional spam and virus protection
  • PGP encryption in the webmailer via Guard or Mailvelope
  • Own PGP key server
  • Use of the latest crypto algorithms
  • Use of Perfect Forward Secrecy (PFS), DNSSEC and DANE/TLSA
  • TLS checker integrated in the webmailer
  • Particularly secure addresses


Learn more about security at


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Exemplary data protection standards compliant with GDPR

Mail hosting at trustworthy for your customers, legally compliant for you, natural for us.

Data protection and commissioned data processing at

We at take data protection extremely seriously - our team started specializing in secure data transmission and privacy protection as long ago as 1992. Data protection is not just lip service for us but at the core of our political conviction and wider mission.

Everyone commissioning the storage of e-mail inboxes or processing of client data to a provider (the "data processor") has a duty to ensure this provider fulfills the related data protection obligations as specified in a commissioned data processing agreement. Since the introduction of the General Data Protection Regulation in the EU countries in May 2018, these obligations have become stricter - and the penalties for non-compliance are now significantly higher than they used to be.

At, commissioned data processing agreements are a normal part of our day-to-day operations. Simply access your central account management console online to set up and confirm your data processing agreement with us and ensure legal compliance with a few mouse clicks.

By using as your provider, you will demonstrate to your customers that you are taking the protection of their data and privacy truly seriously. You can also relax whenever the authorities announce their next data protection audit - with, you are in safe hands.

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Business prices

Only pay for what you really need and scale any booked resources flexibly as your requirements change.

Overview of our business price plans

Business customers can configure the available account options to suit their requirements: Simply choose what kinds of inboxes are required and how many of each, and a service package that reflects your support and maintenance needs.

The LIGHT price plan is the ideal choice for creating a joint e-mail inbox. The STANDARD and PREMIUM plans offer your employees a range of functionality to support their productivity. On request, we can also provide first-level support for your employees. For all PREMIUM mailbox accounts we are offering a telephone support.

Across all service packages, account administrators can access our support through an e-mail ticketing system. Our 24/7 emergency hotline is available for all customers on the Platinum service package.

Business calculator

1 Choose your e-mail inboxes

What kinds of inboxes are required and how many?




Price per inbox & month




Mail storage inclusive

25 GB

10 GB

2 GB

Cloud storage inclusive

50 GB

5 GB


Extensible storage capacity i

You can find the prices here "Show more details" > "Plan & details".


Calendar & contacts

Online office


Video conferences


> Show more details

2 Choose a service package

Choose a fitting service package for your business account. Note that the range of features and number of supported inboxes varies between service packages.







Service package per month




Max. number of inboxes




Forwarding addresses




Groupware groups




Account management interface

GDPR-compliant CDP agreement

Onboarding contact

Dedicated contact person i

Your dedicated contact at will be happy to assist with setting up your business account (telephone support).

Dedicated contact person i

Your dedicated contact at will be happy to assist with setting up your business account (telephone support).

Business customer support i

A member of our support team will be happy to assist with setting up your business account (telephone support).

9-5 e-mail support i

Our technical support team will normally respond to queries on business days between 9AM and 6PM German time (CET).

9-5 telephone support i

Our technical support team can be reached on business days between 9AM and 6PM German time (CET).


24/7 emergency hotline i

In case of emergency, our admins are available around the clock.



3 Contact us

Would you like to test business free of charge? Do you prefer to talk to one of our consultants for additional advice, or do you need an individual quote? Let us know and we will get back to you right away.



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