mailbox
Paid, ad-free email with cloud storage and office tools from Germany
What is mailbox?
mailbox, long known as mailbox.org, is a paid email service run by Heinlein Hosting in Berlin, with no free tier and no advertising. Every plan includes webmail, a calendar and an address book, and the Standard and Premium plans add Drive cloud storage and a browser-based office suite. Servers are in Germany, PGP and S/MIME encryption are built into the webmail client, and prices are set in euros.
mailbox is a paid product with a free trial, starting at €1 per month, annual payment only (€12 a year, Light). See every plan
Good for
- People who want paid, ad-free email hosted in Germany
- PGP or S/MIME users who want encryption inside webmail
- Families: up to 10 mailboxes can share calendars, contacts and Drive storage
- Small businesses wanting mail, files and video calls from one European provider
Worth knowing
- There is no free plan; any plan can be tried free for 30 days.
- The €1 Light plan is paid a year in advance and has 2 GB of mail storage, no Drive storage and support limited to contract questions.
- There are no mailbox apps of its own for mail: it runs in the browser or in other mail apps, and file sync on phones uses the separate OX Drive app.
- Prices are in euros. Private prices include VAT, business prices are net, and the business calculator adds a service package from €25 a month.
Key features
- Webmail with IMAP, POP3 and SMTP
- Mail is read in the browser or in any mail app over IMAP, POP3 and SMTP. Standard and Premium add a tabbed inbox, email statistics and collection from external POP3 accounts.
- PGP and S/MIME encryption
- The Guard feature handles PGP and S/MIME inside webmail, and incoming mail can be kept in a PGP-encrypted inbox. Mailvelope and mailbox's own PGP key server are supported on every plan.
- Aliases and custom domains
- Light includes 3 @mailbox.org aliases, Standard and Premium 25. The two higher plans add custom domains with 50 or 250 aliases and 25 or 50 disposable addresses.
- Drive cloud storage
- 10 GB on Standard and 100 GB on Premium, expandable for a fee, with password-protected download links that expire, WebDAV access and optional encryption with your own PGP key.
- Office, calendar and contacts
- Text documents, spreadsheets and presentations are edited in the browser on Standard and Premium. Calendar, contacts and tasks are on every plan and sync over CalDAV and CardDAV.
- Meet video conferencing
- Browser-based video meetings with breakout rooms, screen sharing, chat and surveys. Guests join from an invitation link without an account or an install.
mailbox pricing
- Starts at
- €1 per month, annual payment only (€12 a year, Light)
- Free plan
- None
- Free trial
- 30-day free trial of any plan
| Plan | Price | What you get |
|---|---|---|
| Light | €1per month, annual payment only (€12 a year) | 2 GB of mail storage, 3 @mailbox.org aliases, calendar and address book. Support covers contract, credit balance and password reset questions only. |
| Standard | €3per month, paid annually (€36); €4 paid monthly | 20 GB of mail and 10 GB of Drive storage, 25 aliases, custom domains with 50 aliases, online document editing and family accounts. |
| Premium | €9per month, paid annually (€108); €12 paid monthly | 50 GB of mail and 100 GB of Drive storage, custom domains with 250 aliases, replies within 24 hours on business days and a phone callback service. |
| Business | €1 to €12per user / month, net, plus a service package | Business Light, Standard and Premium accounts at €1, €4 and €12 a user, with a service package: Silver €25, Gold €75 or Platinum €250 a month. |
| Enterprise | Custom | For large companies with advanced requirements, quoted on request. |
Read from mailbox.org on Oct 6, 2026. Prices change, so confirm with mailbox before you buy.
Ways to pay less
- Annual discountSave 25% when paying annually
Standard costs €3 a month when paid annually (€36) against €4 paid monthly, and Premium €9 a month (€108) against €12. The prices page labels both as a 25% saving.
Stated on mailbox.org
Works with
- Mailvelope
- OX Drive
mailbox alternatives
- mailbox vs Posteo
From €1/mo
- mailbox vs Tuta Mail
Free plan · from €3/mo
- mailbox vs Proton Mail
Free plan · from $3.99/mo
- mailbox vs Fastmail
Free trial · from $3/mo
- mailbox vs StartMail
Free trial · from $4.99/mo
Common questions
Is mailbox free?
No, mailbox is a paid product, but you can try it first. 30-day free trial of any plan.
How much does mailbox cost?
mailbox lists 5 plans. Light: €1 per month, annual payment only (€12 a year). Standard: €3 per month, paid annually (€36); €4 paid monthly. Premium: €9 per month, paid annually (€108); €12 paid monthly. Business: €1 to €12 per user / month, net, plus a service package. Enterprise: custom pricing. Prices were read from mailbox.org on Oct 6, 2026.
What platforms does mailbox work on?
mailbox is available on Web.
Does mailbox offer any discounts?
mailbox publicly lists the following: Save 25% when paying annually.
Does mailbox have an Android app?
No Android app was listed when its pages were read on Oct 6, 2026. mailbox is listed for Web.
Does mailbox have an iPhone app?
No iPhone app was listed when its pages were read on Oct 6, 2026. mailbox is listed for Web.
Is mailbox open source?
mailbox is not described as open source on its own site, as read on Oct 6, 2026.
Is mailbox end-to-end encrypted?
mailbox describes itself as end-to-end encrypted on its own site. Nobody here has audited that.
What does mailbox integrate with?
mailbox's listing names Mailvelope and OX Drive. A listing names up to eight integrations, so it may connect to more.
Who makes mailbox?
mailbox is made by Heinlein Hosting GmbH. It dates from 2014.
What are the alternatives to mailbox?
The closest alternatives to mailbox in our directory are Posteo, Tuta Mail, Proton Mail, Fastmail and StartMail. Each one has a side-by-side comparison with mailbox.
Sources for this page
The prices, plans, platforms and features above were read from these pages on Oct 6, 2026.