NextCloud

• Primary Email System:
  • Integration with IMAP/SMTP infrastructure
  • Email client with modern interface
  • Support for multiple email accounts
  • Advanced filtering and search capabilities
• Calendar Management:
  • Shared calendaring system
  • Resource booking functionality
  • Meeting scheduling and management
  • CalDAV protocol support
  • Integration with email for invitations
• Contact Management:
  • Centralized address book
  • CardDAV protocol support
  • Contact sharing capabilities
  • Group management
  • Integration with email and calendar
• Communication Platform:
  • Built-in chat functionality
  • Video conferencing capabilities
  • Screen sharing support
  • Meeting recordings
  • Mobile app support
• Optional Components:
  • File sharing and synchronization
  • Collaborative document editing
  • Office suite integration
  • Version control for documents
  • Mobile and desktop sync clients

All components will be deployed as containerized services with proper persistence and backup integration.

NextCloud

Database

• Database: PostgreSQL with StatefulSet- Persistent volume claims for data
• Automated backup using Velero
• High availability configuration

Postgres

Email Infrastructure

• IMAP: Dovecot- Deployed as StatefulSet
• Persistent storage for mailboxes
• ConfigMaps for configuration
• Anti-affinity rules for HA

Dovecot