As a partner for companies, public institutions and private individuals, our focus is on freedom, security and excellence. We create room for individual solutions, offer the highest degree of reliability and integrity, and will always strive for excellent results. With our partners, we build personal, long-term relationships that benefit cooperation, create trust, and ultimately makes our projects successful.
Customers who trust us
What our customers say about us
We chose mailbox.org because it is one of the best-known and most secure German email providers. Since mailbox.org invests heavily in the open source community, we want to give something back to the community.
SENEC GmbH
We greatly appreciate mailbox.org because the issues that are at the forefront of mailbox.org are also what drive us in our daily work: security, data sovereignty, functionality – all based on open source software.
As a provider of IT security services, we set the highest standards in terms of data protection, information security and transparency. mailbox.org offers us reliable communication solutions that far exceed current standards.
xoDynamics GmbH
As the operator of a large platform, we rely on the reliable delivery of large volumes of emails. mailbox.org has proven to be an excellent partner in this regard. Up-to-date security technologies, a high level of data protection and, of course, servers powered by green electricity make us completely satisfied!
foodsharing.de
Security and sovereignty in communication have never been as important as they are today. Contrary to the global trend of entrusting this communication to data giants such as Google, Facebook and Co., mailbox.org has created a secure communication platform that we can recommend to all our customers with a clear conscience.
datenhain GmbH
We have been impressed by mailbox.org since 2017. In addition to email, it also offers shared folders and calendars for our daily work. Another plus is that we have experienced hardly any downtime during our time using the service.
ASPHALTA Ingenieurgesellschaft für Verkehrsbau mbh
mailbox.org runs smoothly for us in everyday use. In addition to secure email communication, we also appreciate the ease of use of the file storage system, which allows the school administration and teachers to make documents available to our students and parents for download.
ARE Gymnasium
We are very grateful for the fast, uncomplicated service and the personal and competent support.
oncampus GmbH
We have been with mailbox.org since 2017 – the decisive factors in our decision were the server location in Germany and the integrated option for mutual calendar sharing within the team.
Verkehr mit Köpfchen
Data protection is firmly anchored in our DNA, and we work exclusively with German partners in all sensitive areas. The professional mail hosting service provided by mailbox.org fits perfectly with our data protection strategy.
Speicherhafen GmbH & Co. KG
Unlike the tech giants, mailbox.org does not engage in surveillance capitalism. The digital footprint of students is minimised. An excellent solution for schools that take the data protection and privacy of their school community seriously.
Gymnasium und ORG Dachsberg
As a young cooperative, email addresses with our own domain are very important to us, and we were impressed by mailbox.org's commitment to data protection. We also really like the video conferencing feature, which we use extensively in various working groups.
Grüner Weiler eG
Business mailbox.org provides us with email, address book and calendar services from a single source. At the same time, security and data protection are not just ticked boxes, but are actively practised. This combination was decisive for us.
ComputerBase GmbH
Our high standards for food also apply to software: a partner who is committed to a free internet and open source software is a perfect fit. We use mailbox.org as cloud storage for backups of our cash register and emails.
Biomarkt Vollmerhausen
