Carbonio Email Service provider

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What exactly is Carbonio CE?

Zextras Carbonio CE is e-mail and collaboration software that is free and open-source.

  • E-mail, Contacts, and Calendar Essentials are all domain-shareable.
  • A full mailserver that includes anti-spam and anti-virus software.
  • File Management System with collaborative editing and document sharing capabilities
  • Tasks
  • Chat (coming soon)
  • Carbonio CE’s strong characteristics include:
  • concentrate on data sovereignty and privacy
  • installation as Linux packages and ready to use out of the box
  • to meet the demands of today’s collaborative workplaces

Zextras Carbonio CE licencing is open source and free to download.

Carbonio Languages Available The primary language of CE is English, and the Web GUI is available in these languages.Compatibility with Web Browsers

A browser may access all Carbonio features: The browsers that are supported are mentioned. 

Volunteer Interpreters

Zextras provides competent persons who want to help with translation with an online translation platform.

Translation into languages that are not presently supported is encouraged, but we cannot guarantee any estimate on the product’s official inclusion.

For further information or to volunteer as a translator, please email

Participation in Documentation

Carbonio CE’s documentation source code is now accessible in a public repository hosted on Github.

We welcome any type of documentation provided in accordance with the criteria in the form of a pull request. If you have a suggestion for the documentation or are unsure about utilising Python Sphinx (the framework we use for producing documentation), please contact

Looking for Carbonio CE Assistance

In addition to this documentation, Zextras provides the following online resources: