# Posteo

> Ad-free, green-powered email from Berlin for €1 a month

Posteo is a paid email service from Berlin that has charged €1 a month since 2009, with no free tier, no pricing tiers and no trial account. The account includes 4 GB of mail storage, calendars, an address book and notes, and it can be opened without giving any personal details. Posteo runs on green energy, shows no ads and lets users encrypt everything they store, but it does not support custom domains.

- **Category:** Email Apps
- **Made by:** Posteo e.K. (since 2009)
- **Website:** https://posteo.de/en
- **Runs on:** Web
- **Facts last checked:** Oct 6, 2026

## Pricing

Posteo is a paid product, starting at €1 per month, prepaid (minimum top-up €12).

- **Pricing model:** Paid
- **Free plan:** None.
- **Free trial:** None listed.

| Plan | Price | What you get |
| --- | --- | --- |
| Email account | €1 per month, prepaid from account credit | 4 GB of storage, 3 aliases, 3 calendars, address book and notes. Extra storage costs €0.25 per GB a month and extra aliases or calendars €0.10 each. |

Read from https://posteo.de/en/site/featurelist on Oct 6, 2026. Prices change, so confirm with Posteo before buying.

## Key features

- **One flat-priced account:** €1 a month covers email with 4 GB of storage, 3 aliases, 3 calendars, an address book and notes. Storage can grow to 75 GB and aliases to 25 for small monthly add-on fees.
- **Encryption of stored data:** Crypto mail storage encrypts saved email, attachments, metadata and notes, and the address book and calendar can each be encrypted with your own password at the press of a button.
- **End-to-end encryption in webmail:** PGP through the Mailvelope plug-in and S/MIME through Posteo's own plug-in work inside the webmail interface, and incoming mail can be encrypted with either.
- **Sign-up without personal details:** Registration asks for no name or address, payment data is kept separate from email accounts, and credit can be added by bank transfer, PayPal, credit card or cash.
- **Calendar, contacts and notes:** Calendars sync over CalDAV and can be shared read-only by ICS link, contacts sync over CardDAV, and notes can be synchronized with Apple Notes.
- **Passkeys and login protection:** Login supports two-factor authentication (TOTP), up to 5 passkeys and up to 5 app passwords. An extra protection mode blocks access from external programs over IMAP.

## Good for

- People who want a low-cost, ad-free mailbox they pay for directly
- Signing up without handing over a name, address or phone number
- Buyers who care about green energy and a company financed only by its users

## Worth knowing

- Custom domains are not supported; addresses use Posteo's own domains such as posteo.de, posteo.net or posteo.com.
- There is no free plan and no trial account, though credit is refunded in full if you cancel within the first month.
- Payment is prepaid in euros, with a minimum top-up of €12, which is about one year's fees.
- It is used through webmail and a web app or through other mail apps over IMAP or POP3, and it offers no cloud storage.

## Works with

Mailvelope, Apple Notes, Thunderbird, Outlook

**Tags:** Email client, End-to-end encrypted, Open source, Calendar, Notes

## Alternatives

- [mailbox](https://toolgpa.com/tools/mailbox-org): Paid, ad-free email with cloud storage and office tools from Germany. [Compare](https://toolgpa.com/compare/mailbox-org-vs-posteo)
- [Tuta Mail](https://toolgpa.com/tools/tuta-mail): End-to-end encrypted email and calendar from Germany. [Compare](https://toolgpa.com/compare/posteo-vs-tuta-mail)
- [Proton Mail](https://toolgpa.com/tools/proton-mail): End-to-end encrypted email service based in Switzerland. [Compare](https://toolgpa.com/compare/posteo-vs-proton-mail)
- [StartMail](https://toolgpa.com/tools/startmail): Paid private email from the Netherlands with unlimited aliases. [Compare](https://toolgpa.com/compare/posteo-vs-startmail)
- [Mailfence](https://toolgpa.com/tools/mailfence): Private email from Belgium with built-in OpenPGP encryption. [Compare](https://toolgpa.com/compare/mailfence-vs-posteo)

## Sources

The prices, plans, platforms and features above were read from these pages on Oct 6, 2026:

- https://posteo.de/en
- https://posteo.de/en/site/featurelist
- https://posteo.de/en/site/features
- https://posteo.de/en/site/faq
- https://posteo.de/en/site/payment
- https://posteo.de/en/site/encryption
- https://posteo.de/en/site/about_posteo
- https://posteo.de/en/site/legal_notice

Page: https://toolgpa.com/tools/posteo
Listed by ToolGPA (toolgpa.com).