Carbonio Mail
Robust and

The private corporate email and collaboration platform Carbonio is completely exclusive and includes:

• E-mail, Contacts and Calendar Essentials, Address book all shareable across a domain

• A complete corporate email server equipped with anti-spam and anti-virus software

• Chat and Video chats

• Supports Mobile App both Android and IOS

• Robust backup and High Availability

• File Management System including collaborative editing and document sharing

Fully Private Digital Workplace


Carbonio is trusted by most of the businesses who looking for digital sovereignty but can’t give up scalability.

Mail Features

  • Private email server
  • Real-time backup and restore
  • Advanced storage management
  • Specialized administrative profiles
  • High Availability
  • Secure authentication
  • Chat and video chats

Community Edition

  • Advanced E-mail
  • Shared Calendars
  • File Management
  • Collaborative Editing
  • Easy Administration
  • Complete Set of Modern Features
  • Free and Open-source
  • Calendar 
  • Android & IOS App

Carbonio for
Public sector

  • As per Government norms
  • Achieve Data Sovereignty
  • Private Deployment
  • on Premises
  • Digital Workplace
  • Locality
  • Data privacy
  • Managed Service


  • 24 / 7 Expertise Support
  • Live monitoring
  • Scalability
  • Data protection
  • Video meeting and Chats
  • Advanced Email Management
  • Collaborative editing
The free and open source email and collaboration software
Carbonio Community Edition

Unleash the full transparency and interoperability of Carbonio Community Edition, which is 100% open source. Use the software as needed.

Carbonio Community Edition, created for the networked workplace, is offered through native Linux packaging. Once installed, all of the functions are available right immediately.

With crucial email features, video calls, file management, and collaborative editing, Carbonio CE is prepared for today’s collaborative hybrid workplace.


I've known SixthSTar Technologies for a very long time. They are a dedicated young team with excellent professional qualifications. When necessary, they may be counted on for any meaningful job. I wish them all the success they will so richly deserve in their future endeavors.


The opportunity to work with SithStar Technologies was beautiful. All of the SixthStar Technologies employees I have met have a customer-centric mindset. We would like to continue doing business with you forever.



I found SixthStar Technologies to be the best option when I required a one-stop shop to build my e-commerce website. They made an app for it when I originally approached them about starting a website, and they also handled my official personas' social media accounts. Since then, the fashion industry has expanded tremendously, giving me a loyal customer who trusts my services.


It’s been 3 years and we haven’t faced any server downtime. Excellent hosting features with easy upgrading facilities. You can acquire their support at any time since they maintain perfect on-time call support.

Hinduja Leyland

On-time support with reliable performance is what makes them best in the web hosting industry. Best suited servers for enterprise type management. I totally recommend their service to everyone.

Makkal TV

Whether you are looking for a free domain registration along deployment or a cheap server with fast performance and professional support assistance Sixth Star will definitely benefit you in all means.

Vijay TV

They took only a short period to increase the visibility strength of our website. They analyze, search and optimize regularly for better search results.

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