Posteo
UnclaimedGreen, secure, and ad-free email, calendar, and address book for maximum privacy.
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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Paid plans only
Biggest pro
Exceptional privacy with no tracking, ads, or user profiling.
Biggest con
Paid service with no free tier.
TL;DR - Posteo
- Secure, ad-free email, calendar, and address book service.
- Strong focus on privacy, encryption, and open-source software.
- Powered by 100% green energy and user-financed for independence.
Pricing: Paid only
Best for: Enterprises & pros
What is Posteo?
Posteo is an independent email provider based in Berlin offering secure and sustainable email accounts, calendars, address books, and notes. It is designed for individuals and organizations prioritizing privacy, security, and environmental responsibility, providing an ad-free experience with no tracking or user profiling. The service is entirely financed by its users, ensuring independence from advertisers and data brokers.
Key functionalities include a comprehensive webmail interface, robust encryption options for emails, calendars, and address books, and two-factor authentication. Users benefit from a commitment to open-source software, 100% green energy operation, and a free migration service to transfer existing data. Posteo aims to provide an ethical alternative to mainstream communication services, emphasizing data protection and digital civil liberties.
Available on: Web, iOS, Android
Pros & Cons
Pros
- Exceptional privacy with no tracking, ads, or user profiling.
- Strong encryption for all data, including stored emails, calendars, and address books.
- Environmentally friendly, powered by 100% real green energy.
- User-financed, ensuring independence from external investors and ad partners.
- Free migration service simplifies switching from other providers.
Cons
- Paid service with no free tier.
- Storage upgrades beyond 4GB incur additional monthly costs.
- Support is primarily via email, which might be slower for urgent issues.
Key Features
4 GB email storage (upgradeable to 50 GB)Email, calendar, address book, and notes functionalityTwo-factor authentication (TOTP)Comprehensive encryption options (TLS, DANE, PGP, S/MIME, crypto mail storage)Free migration service for up to three external accountsWebmail interface with 12 color themes and Dark ModeSpam and virus protectionTwo alias addresses included (upgradeable)
Pricing Plans
Pricing checked Jun 13, 2026
Posteo Email Account
1 Euro per month
- 2 GB email account, upgradeable (now 4GB)
- Two-factor authentication (TOTP)
- Registration without personal details, no tracking
- 100% real green energy from Green Planet Energy
- All data can be encrypted at the touch of a button
- Ad-free, no tracking, no user profiling
- 2 alias addresses included, upgradeable
- Compatible with all devices and apps (IMAP, POP3)
Reviews
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Posteo FAQ
How does Posteo ensure user privacy and data security?
Posteo ensures user privacy by offering an ad-free experience with no tracking or user profiling. It provides robust encryption options for emails, calendars, and address books, along with two-factor authentication to protect user data.
Which teams or individuals would benefit most from using Posteo?
Individuals and organizations prioritizing privacy, security, and environmental responsibility would benefit most from Posteo. It is designed for those seeking an ethical alternative to mainstream communication services.
How is Posteo priced?
Posteo is a paid service, entirely financed by its users, which ensures its independence from advertisers and data brokers. There is no permanently free tier available for its services.
Can Posteo help with migrating existing email data from another provider?
Yes, Posteo offers a free migration service to help users transfer their existing data from other providers. This simplifies the process of switching to Posteo's secure and private platform.
What kind of environmental commitment does Posteo uphold?
Posteo operates on 100% green energy, demonstrating a strong commitment to environmental responsibility. This aligns with its mission to provide a sustainable and ethical communication service.
How does Posteo compare to ProtonMail in terms of its business model?
Posteo is entirely user-financed, which ensures its independence from external investors and advertising partners. This model allows it to focus solely on user privacy and data protection, similar to the user-supported approach of ProtonMail.
What are the primary limitations users might encounter with Posteo?
Users should be aware that Posteo is a paid service without a free tier, and storage upgrades beyond 4GB incur additional monthly costs. Additionally, support is primarily via email, which might lead to slower response times for urgent issues.
Source: posteo.de