Dear Customers,

If you have any questions, please check our knowledge base. It offers general information, definitions, background information, and answers to frequently asked questions. The user forum is where mailbox.org users can help each other. If you come across some issue, check the forum to see if others have had the same problem in the past. Here, users can also post their questions publicly or help others with answers. To post messages, users are required to log on first, using their mailbox.org e-mail address and password.

With a corresponding tariff you can also contact our technical support via our portal. The login requires your e-mail address and password.

Kind regards, the mailbox.org team

Business hours

Our office is open from Monday to Friday 10 a.m. to 6 p.m. In urgent cases, we will try to reply outside of business hours.

Physical address:

mailbox.org
c/o Heinlein Support GmbH
Schwedter Str. 8/9B
D-10119 Berlin, Germany