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mailbox Hintergrund

More than just another email provider

A person sits at a wooden table, working on a laptop, surrounded by plants and minimal decor, in a bright and airy room.
A person sits at a wooden table, working on a laptop, surrounded by plants and minimal decor, in a bright and airy room.
A solution that offers security, freedom and efficiency

mailbox is more than just another email provider, offering a secure, flexible and data protection-compliant communication platform that can be perfectly tailored to anyone’s requirements. We present a convincing alternative for businesses, public organisations and private individuals alike.

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Independent

No reliance on US providers such as Gmail or Microsoft 365.

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Secure

Server hosting in Germany and the highest data protection standards.

Flexible

Modular platform that adapts to your requirements.

Reliable

Over 30 years of experience in secure communication technology.

Email provider comparison
What we do better
mailbox Other providers
Ad-free and transparent – Enjoy email without annoying pop-ups or hidden advertising. Service financed by ads and data-based tracking.
Secure - End-to-end encryption with PGP and S/MIME and storage in our data centres in Berlin. Lack of transparency about data processing and physical server locations.
Made and hosted in Germany - Your data is stored securely on our own servers in Germany. Data located outside of Germany and the EU, with backups on US servers.
Spam filter and virus protection - Multi-level filters protect your mailbox from unwanted messages. Spam in your inbox due to weak or unreliable filters.
All in one place - All the important tools integrated into a single interface. Switching to multiple services.
Easy switching - Convenient migration service for your existing emails and contacts. Limited switching options due to vendor lock-in.
Always available for you - We take care of any issues that may arise, through individual telephone support and our 24/7 emergency hotline for business customers. AI chat or telephone support that is located abroad.

Many businesses, public authorities and private customers trust us

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Gymnasium Org Dachsberg Logo
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Wappen Freistaat Thüringen
Logo Stiftung Datenschutz
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Success Stories

Our solutions are used by many well-known enterprises, SMEs, and public authorities. Read here why our customers opted to choose mailbox.

Greater email security in the education sector: How oncampus secures digital learning with mailbox.

Read the success story now

Equipped for businesses of all sizes: How mailbox grows with LinuxNews.

Read the success story now

No compromises on data protection and security.

mailbox Login

  • Two-factor authentication
  • SSO for enterprises & public authorities

Emails

  • PGP encryption
  • S/MIME encryption
  • Spam and virus filter

Drive

  • PGP encryption

Data centre

  • Located in Germany, redundant infrastructure
Schloss

Our background

Heinlein Group

mailbox is backed by a well-established company: Over 150 employees and over 30 years of experience in running IT infrastructures. With a strong focus on Linux and open-source software, the Heinlein Group operates its own data centres, offers 24/7 support for administrators, and has the manpower to develop custom solutions in-house. Its services use the latest security standards and are powered by green energy.

 

Man with headphones seen from behind in a video conference
Quality label: Software hosted in Germany 2025
SMiG Quality label 2025
100 renewable energy
Logo Allianz für Cyber-Sicherheit

Emails: Secure, anonymous an ad-free

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