Posteo

Posteo is a German eco-friendly email provider with optional encryption.

European No Ads Energy Efficient Privacy Friendly Open Source
Website

Description

Posteo is a Berlin-based email provider known for its strong commitment to privacy, security, and sustainability. Founded in 2009, Posteo offers a fully encrypted, ad-free email service.

Posteo supports PGP and S/MIME encryption for emails, ensuring only the intended recipient can read messages. The service is completely ad-free, does not track user activity, and allows anonymous registration with support for payments that are not linked to users accounts. Posteo runs on 100% green energy and publishes regular transparency reports, disclosing government requests for user data and the actions taken. It also removes IP addresses from outgoing emails, further protecting user anonymity.

Posteo has been vocal in opposing mass surveillance and controversial data analysis initiatives, such as the use of Palantir software by German authorities. The service is widely recognised for its commitment to privacy, sustainability, and user control, making it a trusted choice for individuals and organizations seeking a secure and ethical email provider.

Pricing starts at 1€ for one Email address with 2GB of storage.

Website

Sustainability Features of Posteo

European - Based in Europe, ensuring compliance with GDPR and European privacy and labor regulations.

Posteo is based in Germany, ensuring compliance with GDPR and strong privacy laws.

No Ads - No advertisements

Posteo is completely ad free.

Energy Efficient - Hardware or services designed to consume minimal energy, reducing environmental impact.

Posteo uses renewable energy to power its servers, reducing its carbon footprint.

Privacy Friendly - It does not track users unnecessarily.

Posteo does not track users or display personalised ads. It offers encrypted mailboxes and allows anonymous registration.

Open Source - Free and Open-Source Software

Posteo supports open-source standards and transparency, allowing independent audits.

Website

Summary

Posteo is a leading privacy-focused email service, offering encryption, anonymous registration, and a commitment to sustainability. Its German jurisdiction, transparent practices, and strong privacy features make it an excellent alternative to mainstream providers.

Sustainability Score
92

More Sustainable Alternatives in Email

Tuta

Tuta Mail is a German email provider with encryption by default powered by green energy.

Tuta offers one email address with 1GB of storage free of charge and promises that this will not change.
Tuta is ad-free, providing a clean and distraction-free email experience.
Tuta is based in Germany, ensuring compliance with strong privacy laws and ISO/IEC 27001-certified data centers.
Tuta does not track users or display personalised ads, it offers end-to-end, quantum-safe encryption, ensuring a private email experience.
Tuta uses green energy to power its servers, reducing its environmental impact.
All Tuta clients are open-source, allowing for transparency and community contributions.
Website

Mailbox

Mailbox is a German email provider with optional encryption running on renewable energy.

Mailbox uses renewable energy to power its servers, reducing its carbon footprint.
Mailbox offers self-hosting options for enterprises, giving full control over data.
Mailbox does not track users or display personalised ads. It offers optional PGP Email encryption.
Mailbox is based in Germany, ensuring compliance with strong privacy laws.
Mailbox is ad-free, providing a clean and distraction-free email experience.
Website

Soverin

Soverin is an ISO-certified Dutch email provider with optional encryption.

Soverin is based in the Netherlands, ensuring compliance with strong European privacy laws.
Soverin is ad-free, providing a clean and distraction-free email experience.
Soverin is ISO 14001 certified. No evidence could be found that its servers are powered by renewable energy though.
Soverin does not track users or display personalised ads and allows encryption via PGP.
Soverin supports open-source standards and transparency, allowing independent audits.
Website

Proton Mail

Proton Mail is an encrypted email service based in Switzerland.

Proton Mail offers one email address with 1GB of storage free of charge.
Proton Mail does not show ads to their users apart from upgrade suggestions for their own services.
Proton Mail is based in Switzerland, it's relocating its infrastructure to other more privacy-friendly European countries.
Proton Mail does not track users or display personalised ads, ensuring a private email experience.
Proton Mail offers self-hosting options for enterprises, giving full control over data.
Proton Mail clients are open-source, allowing for community audits and transparency.
Website