Secure & Smart Email Solutions

Power your business communication with fast, secure, and scalable email services designed for modern teams.

carboniocontact
Advanced Security
Spam-Free Inbox
High Delivery Rate
Business Class Mail
Email Solutions

Why Businesses Trust Our Email?

99.9%

Delivery Accuracy

24/7

Live Support

Zero

Spam Tolerance

500K+

Emails/Day Capacity

Carbonio Enterprise Solutions

Features

Inbox organization​
Smart Replies
Send Later
Reminders
Attachment assistance
Priority inbox

Carbonio Pricing Plans

Carbonio Lite

  • Price₹550/Year
  • Storage5 GB
  • Meeting
  • File Storage
  • Mobile & Desktop
  • Drive
  • Admin

Carbonio Core

  • Price₹800/Year
  • Storage10 GB
  • Meeting
  • File Storage
  • Mobile & Desktop
  • Drive
  • Admin

Carbonio Suite

Popular
  • Price₹1,100/Year
  • Storage30 GB
  • Meeting
  • File Storage
  • Mobile & Desktop
  • Drive10GB/User
  • Admin

Carbonio Max

  • Price₹2,320/Year
  • Storage50 GB
  • Meeting
  • File Storage
  • Mobile & Desktop
  • Drive10GB/User
  • Admin

What Our Clients Say

M

Manikandan

, Chrysalis Homeneeds Pvt. Ltd.

“Professional guidance with unlimited resource availability. They allow you to easily scale the service at any time.”

S

Sethu Murugan

, Hinduja Leyland

“Our e-commerce site had growth only after installing SSL certification. They give you complete guidance right from installation to changing the site into HTTPS.”

R

Richard

, Shankara Building Products Ltd.

“Lower or increase your cloud storage based on your requirement since their service is redundant and flexible payment is available.”

A

Anitha

, Bhoomi and Buildings Pvt Ltd

“Though we opted for shared hosting, the services didn’t change. They are versatile and provided us with the support system at its best.”

G

Ganapathy

Product Manager, Billroth Hospitals

“Mail servers are a prodigy in Sixth Star. They have excellent features like blacklisting and abuse management where you won’t find any spams.”

C

Chalapathirao Sajjarao

, ROCKWORTH

“A distinct and cost-effective solution can be acquired here. It is sure that your dedicated server will be power-packed with resources that have outperforming features.”

Get in Touch

We'd love to hear from you. Send us a message and we'll respond as soon as possible.

sales@sixthstar.in
+91 9383996666

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Frequently Asked Questions

Carbonio is a modern, open-source email and collaboration suite developed by Zextras. It offers secure email, calendar, contacts, document sharing, video calls, and chat—all in one private digital workplace.
Absolutely. Carbonio is built for businesses that need a secure, private, and scalable communication platform. It’s a great alternative to cloud-based services like Google Workspace or Microsoft 365, especially for companies that value data ownership.
Carbonio includes email, calendars, contacts, file management, real-time chat, video conferencing, and team collaboration tools. It also provides admin controls, backup, and compliance features—all hosted on your own infrastructure.
Yes! Carbonio is open-source and community-driven. This means you can customize it, audit the code, and control where your data is stored—perfect for privacy-conscious organizations.
Carbonio is built with enterprise-grade security in mind. It offers end-to-end encryption, role-based access control, multi-factor authentication (MFA), and self-hosting—ensuring your business data stays private and protected.
Yes, Carbonio is self-hosted, giving you full control over your data and server resources. This is ideal for IT teams that prefer on-premise solutions over third-party cloud platforms.
Definitely. You can access Carbonio through webmail, mobile browsers, or connect it with email clients via IMAP/POP and ActiveSync. It’s compatible with Android, iOS, and major desktop systems.
While Google Workspace and Microsoft 365 are cloud-based, Carbonio offers similar features with complete data privacy and no vendor lock-in. It’s ideal for businesses wanting full control without recurring per-user licensing costs.
Yes, Carbonio includes a user-friendly admin console for managing users, storage, policies, and integrations. You also get CLI tools and APIs for automation and advanced control.
You can download Carbonio from the official Zextras website. For enterprise-grade support, installation, or managed Carbonio services, providers like SixthStar Technologies offer expert setup and 24/7 support.