What is Kolab?

Kolab is a fully-fledged, production grade communication and collaboration solution.

This includes:

• Robust mail transport including:
  • Spam-filtering
  • Virus-scanning
  • Support for important protocols that ensure secure email delivery (DKIM/DMARC/SPF)
  • Robust queuing of incoming and outgoing email
• A variety of access protocols:
  • IMAP/SMTP
  • CalDAV/CardDAV
  • Activesync
• A webmail client that includes advanced calendaring/tasks/addressbook
• A webrtc based video chat solution
• File storage
• Collaborative editing of documents
• Chat

In short, it provides everything that a company/family/… needs to work and communicate together, while maintaining full control over all data.