I will setup zextras carbonio ce open source mail like zimbra

Zextras Carbonio CE is a free and open-source e-mail and collaboration software solution that offers a comprehensive set of tools:

• E-mail, Contacts, and Calendar Essentials: Shareable across a domain for seamless collaboration.
• Complete Mailserver: Equipped with robust anti-spam and anti-virus software.
• Chat : For real-time communication.
• File Management System: Includes collaborative editing and document sharing.
• Video Meeting: For virtual conferences.
• Document Collaboration: For real-time document editing and sharing.
• Video Room: For virtual hangouts and meetings.
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Key Features of Carbonio CE:

• Latest Version Deployment: Easily deploy the latest version on your platform.
• Strong Protocols: Implement strong protocols, free SSL, and anti-spam solutions.
• User Management: Create users, aliases, and lists for comprehensive solutions.
• Enhanced Collaboration: Utilize shared resources for improved collaboration.
• Optimized Settings: Fine-tune settings for optimal deliverability.
• Data Sovereignty and Privacy: Focus on data sovereignty and privacy.
• Ease of Installation: Simple to install as Linux packages and ready to use out of the box.
• Flexibility: Adaptable to the needs of todays