What is mailbox.org?

mailbox is the European alternative for organisations that value privacy, data security, and independence.

Our all-in-one digital workplace – the mailbox Suite – brings together email, calendar, office, video conferencing, and drive in a single platform hosted entirely in German data centres.

Unlike most providers, mailbox does not track users or monetises data. We focus exclusively on our customers’ needs, enabling efficient, compliant, and secure digital communication.

As part of the Heinlein Group, mailbox builds on over three decades of experience in privacy-focused IT infrastructure and communication services.

Pricing

Free Trial Offered?:
Yes

Integrations

Offers API?:
Yes, mailbox.org provides an API
All mailbox.org Integrations
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Screenshots and Video

The email service with the best possible spam filter and virus protection. 100% GDPR-compliant in accordance with German data protection law.

The email service with the best possible spam filter and virus protection. 100% GDPR-compliant in accordance with German data protection law.

The email service with the best possible spam filter and virus protection. 100% GDPR-compliant in accordance with German data protection law. Store your files centrally, access them anytime from any device, and share them effortlessly with others. Your data remains protected, reliably available, and always under your control. Bringing teams together, working together productively and creatively, inspiring customers online - with the reassuring feeling that confidential information remains confidential. Use powerful tools for word processing, spreadsheets and presentations – all in one place. Perfect for team collaboration, easy to use and always synchronised. Manage your contract, domains, mailboxes, forwarding rules, passwords, storage space and all other account settings easily and centrally.

Company Facts

Company Name:
mailbox
Date Founded:
2014
Company Location:
Germany
Company Website:
mailbox.org/en/
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Product Details

Deployment
SaaS
iPhone
iPad
Android
Training Options
Documentation Hub
Support
Standard Support
24 Hour Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Mid Size Business
Small Business
Enterprise
Freelance
Nonprofit
Government
Startup
Supported Languages
English
German

mailbox.org Categories and Features

Email Management Software

Data Recovery
Email Archiving
Email Deletion
Email Discovery
Email Monitoring
Email Recall
Queue Manager
Response Management
Routing
Shared Inboxes
Signature Management
Spam Blocker
Whitelisting / Blacklisting

Email Hosting

mailbox.org Customer Reviews

Write a Review
  • Reviewer Name: A Verified Reviewer
    Position: Web designer
    Has used product for: 6-12 Months
    Uses the product: Weekly
    Org Size (# of Employees): 1 - 25
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Custom domains will not work

    Updated: Dec 26 2025
    Summary

    Mailbox.org appears to be a deceptive company claiming to offer the use of custom domains to send/receive emails, but it does not. in order to send/receive emails via a custom domain, you will need to buy a separate email account for each custom domain, as their alias system does not allow you to send emails from custom domains. Very scammy.

    Positive

    Price is competitive and the help articles are comprehensive. The system is simple to navigate. The process of adding an alias domain is straight forward and simple (similar to other providers).

    Negative

    Mailbox.org claims custom domains are supported. They require you to send/receive emails for custom domains using an alias. After successfully altering your DNS records and adding an alias within their system, you will NEVER be able to send or receive emails via that alias. So, while they allow you to add an alias, it will always be nonfunctional. They offer no way to send emails from that alias.

    This feels very deceptive, as you must subscribe to their service to discover that you cannot send emails from your own custom domain (as it's not even offered on the free tier). I feel ripped off. There is no tech support or help available, but this does not appear to be a tech issue. This appears to be working as designed (e.g. it is not designed to work).

    Read More...
  • Reviewer Name: Lonnie W.
    Position: Mental Health Technician
    Has used product for: 2+ Years
    Uses the product: Daily
    Org Size (# of Employees): 500 - 999
    Feature Set
    Layout
    Ease Of Use
    Cost
    Customer Service
    Would you Recommend to Others?
    1 2 3 4 5 6 7 8 9 10

    Solid privacy, security, and value.

    Updated: Feb 21 2024
    Summary

    Mailbox.org offers a lot of value for the money as compared to other privacy centered services like Proton Mail, Mailfence and Tutamail. The Lite version is just $1/mo. when paid annually. Mailbox.org is definitely worth your consideration.

    Positive

    Mailbox.org is a reliable, feature packed service that provides secure and private email with solid encryption, cloud storage, an office suite and video conferencing on a 100% eco-friendly platform with servers based in Germany.

    Negative

    Mailbox.org does not have a native mobile app although, from your phone's web browser, you can add mailbox.org to your Android or iPhone home screen for quick, app-like access. The user interface is functional though rather bland and navigating preferences and settings can be a bit of a challenge until you're familiar with it.

    Read More...
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