Overview
Posteo is an independent email provider based in Berlin. We offer
secure and sustainable email accounts with an address book, calendar and notes. We are entirely free of advertisement, free of tracking and self-financed by the email accounts of more than half a million customers. Posteo was founded in 2009. Our team currently consists of more than 40 people. We want to provide an impetus for greater security, privacy and sustainability on the internet, and offer
alternatives.
Posteo has been pronounced the test winner twice from Stiftung Warentest, the German product testing foundation. In 2024, we were awarded the German Fairness Award from ntv (German news channel).
Our objective is to protect your data and to not sell it to the highest bidder in the advertising industry or to data brokers. Therefore, we do not collect
any personal data, we refrain entirely from using tracking tools and create daily security backups of your data. Posteo has an innovative concept for encryption. We always encrypt your data with the latest technologies - and encourage the widespread use of open standards and true end-to-end encryption. We actively support digital civil liberties: In
May 2014, Posteo became the first German telecommunications service to publish a transparency report.
Privacy page >> | Encryption info page >>
Posteo has a comprehensive concept of sustainability. We work using real green energy from Green Planet Energy, not (so-called) “certified energy” from old hydro-electric stations, which other providers term green energy. Implementing efficient hardware as well as refraining completely from business flights are a matter of course for us, just like our company account with the GLS Bank. In 2023, we were awarded the Climate Mobility Prize from Deutsche Bahn. Sustainability page >>
Posteo tested by
Overall winner of the German Fairness Award 2024
Climate Mobility Prize from the Deutsche Bahn 2023
Test winner of the Stiftung Warentest 10/2016
Test winner of the Stiftung Warentest 02/2015
c't Magazin 08/2013
c't Magazin 01/2014
zeit.de 07/2013
Selected press articles
Posteo-Portrait (Berliner Zeitung)
Posteo-Portrait
(Ökotest-Verlag)
The Guardian on Posteo
zeit.de on our transparency report
Heise on our implementation of DANE
More press articles >>
Team
We want to be a good employer: Posteo solely uses permanent full time contracts. We pay appropriate wages and do not demand overtime. Our employees can flexibly organize their own working hours and work remotely from home. At Posteo, there is also a daily, free, organic-vegetarian lunch.
Our support team helps with all questions and problems via email (free). We attempt to repond to all enquiries within one working day. Contact form >>
Our developers are continually working on technical innovations, for example, new encryption options.
Posteo uses open standards and open software only.
We publish our important developments, to strengthen the open source community. Github >>
Patrik heads the administration and development teams.
and design.
Posteo Campus
Posteo is located at the former Schultheiss brewery in Berlin’s Kreuzberg. Our offices, the Posteo Lab and our canteen are located here. All of our premises are set up sustainably and supplied with green energy from Green Planet Energy. More information can be found on our sustainability page >>.
Offices
Our offices are well-lit and set up for functionality. All of our desks are custom made from FSC wood. Shelves and cabinets are from Werkhaus. Each purchase is checked for its environmental credentials.
Canteen
Each day, we offer our employees a free, organic-vegetarian lunch. Posteo employs its own chef for this purpose. Drinks, fruit and sweets are also available to the Posteo team at no cost.
Posteo-Lab
The Posteo Lab is a meeting and event space in Berlin’s Kreuzberg.
We regularly open the space for lectures, functions, training and cultural events.
We make the lab available to external organisations free of charge. The events should fit with Posteo and themes relevant to Posteo. Interested parties can contact us by email: veranstaltungen(at)posteo(dot)de.
How to find us:
Posteo LabMethfesselstrasse 36
10965 Berlin (Kreuzberg)
(Site of former Schultheiss brewery)
Public transport: U6 Platz der Luftbrücke
Openstreetmap:
http://www.openstreetmap.org/node/1145589771
The region
The site of the old Schultheiss brewery is the highest natural point in inner-city Berlin: the hill known as Kreuzberg. The brewery joins with Viktoria Park, from where you can see out over the city. A short way down the street is a plaque to mark the place where Konrad Zuse built the "Zuse Z3" – the first digital computer in the world.
Infrastructure
Our servers are located in data centres in three German cities – Frankfurt, Bielefeld and Berlin. They are powered with 100% energy from Green Planet Energy. All Posteo servers exclusively use open source software, for security reasons. The hard drives are fully encrypted using LUKS – and all connections between our servers are encrypted. Further information can be found on our sustainability page and our encryption info page.
Posteo statistics
Posteo is
16 years
+ 45
days old
Debts and loans
0 EUR
Income through advertising
0 EUR
Miles flown for business since founding
0 mi
Tracking and social media integrations
0 pcs
Nuclear waste per account
0 g
Password resets
177636 + (x)
(x unknown)
Sign up now
Open your Posteo account for 1 EUR per month here, and use it straight away. The signup
process does not require you to enter any personal details.
Continue to signup >>