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mailbox.org

mailbox

Hostcomplex score

4.2/10
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mailbox is a German email and digital-workplace provider operated by Heinlein Hosting GmbH. It sells email hosting alongside tools for calendars, contacts, file storage, office collaboration and video meetings.

mailbox.org plans compared

  1. 4.2/10
    Disk space
    20 GB
    Mailboxes
    1
    Price
    $4.51/mo same price

Prices per month excl. VAT where the provider states so. The average cost includes the renewal price after the intro period. Prices checked 5 November 2026, 13:00.

All specifications

Plan mailbox.org Standard
VAT Incl. btw
GDPR Yes
Backup/restore Yes
Ad-free Yes
Aliases 50
Billing Maandelijks, Jaarlijks
Storage 20 GB
Support E-mail
Webmail Yes
Catch-all Yes
Free plan No
IMAP/POP3/SMTP Yes
Mailboxes 1
Migration tool (import) Yes
Encryption TLS in transit, Versleuteld at rest
Free trial Yes
Two-factor authentication (2FA) Yes
Mobile apps Yes
Spam and virus filter Yes
24/7 support No
Cloud file storage Yes
Office apps Yes
Data location / EU hosting Duitsland
Pricing model Per gebruiker
Video meetings Yes
Calendar and contacts Yes

About the company

Heinlein Hosting GmbH was founded in 2014 and is based in Berlin, Germany. mailbox began as a privacy-focused email service developed with expertise from Heinlein Support. The brand now uses the name mailbox on its website, while mailbox.org remains the service’s domain.

mailbox is known for privacy-focused email hosting in Germany, encryption features and an integrated set of online work tools. A 2021 company announcement identified Heinlein Support GmbH as Heinlein Hosting GmbH’s parent company; current ultimate ownership has not been independently confirmed.

What mailbox sells

Email hosting

Email accounts include spam and virus filtering, encryption features and access through standard mail protocols or third-party mail clients. Custom domains are supported. Our email hosting comparison lists mailbox.org Standard with one mailbox, storage per user, aliases and options such as webmail, two-step verification and mobile apps.

Cloud storage and file sharing

Drive provides file storage, shared folders and links for sharing files.

Online office and collaboration

Browser-based tools cover documents, spreadsheets and presentations, with collaboration features for working with others.

Video conferencing

Meet is mailbox’s video-conferencing service.

Business administration

Business customers can use an Admin console and API to manage accounts, domains, mailboxes and storage.

Personal information management

The suite also includes calendars, contacts, tasks and related tools.

Servers and support

The company says it operates its own hardware in German data centres, with infrastructure distributed across two independent locations in Berlin. Exact street addresses for those sites are not confirmed.

Private customers can use the knowledge base, support desk and user forum. mailbox says it normally responds to queries within 48 hours on business days. Telephone support is documented for password recovery during stated weekday hours; general private-customer phone support hours are not confirmed.

Who mailbox suits

mailbox may suit individuals or organisations looking for email with privacy features and a broader suite of communication and collaboration tools. Its custom-domain support and business administration tools also make it relevant to businesses.

Look elsewhere if you need a provider with confirmed general phone-support hours, or if you want a service limited to email rather than a bundled suite. Compare features and terms against other providers before choosing.

For an assessment of the service, Read our full mailbox review. You can also compare its email offer with other providers in our email hosting comparison.

Frequently asked questions

Where is mailbox based?

mailbox is operated by Heinlein Hosting GmbH, which is based in Berlin, Germany. The company says its infrastructure is in German data centres.

What does mailbox offer?

Its services include email hosting, cloud storage and file sharing, browser-based office tools, video conferencing, and calendar, contact and task tools. Business customers also have an Admin console and API.

Can I use mailbox with my own domain and an email app?

Yes. mailbox supports custom domains and access through standard mail protocols and third-party email clients.

What billing options are listed for mailbox.org Standard?

Our comparison lists monthly and yearly billing for mailbox.org Standard. The company describes private accounts as prepaid, so check the current plan terms before signing up.

Read our mailbox.org review →

Maarten Soetens By