Did you know that no software is truly free? Zimbra explains why and the difference between proprietary software, community software and commercial open-source software. https://www.zimbra.com/
Zimbra is all about security and data privacy. Our open platform implements deep security features as well as integrations with the most popular 3rd party security applications. In addition, Zimbra has scalable deployment options ensuring complete privacy for organizations from mid-sized service provider to large telecoms.