


Full support for client-side PGP and S/MIME email encryption (officially Sphinx-interoperable).IMAP4rev1 as well as POP3 access to mail.Configuration data is kept in a LDAP directory.Support for Microsoft Outlook with proprietary connector PlugIns.Support for Email, Calendar, Address Books, Tasks and File-Cloud.Full server side support for ActiveSync and CalDAV, CardDAV and WebDAV.Full seamless support of mixed clients environments (Outlook, KDE, Web etc.).The concepts on which Kolab relies are laid out in the Kolab Format Specification and Architecture Paper for Kolab 2, and for Kolab 1 in the Kroupware Contract, Architecture Paper and Technical Description. Third party implementations began almost immediately for example, the Citadel groupware server began supporting version 1 of the Kolab Format specification in March 2004. This allows the Kolab Format specification framework, or even portions of it, to be utilized as an open set of specifications for groupware clients and servers to communicate with each other. IMAP as mentioned above, vCard, iCal, XML and LDAP). Kolab Clients and the Kolab server use well established protocols and formats for their work (i.e. Configuration and maintenance of Kolab is done by LDAP. These entries are saved in IMAP folders in Kolab XML format, and the IMAP server controls storage and access rights. Kolab uses IMAP as an underlying protocol for email, contact, and calendar entries. It consists of the Kolab server and a wide variety of Kolab clients, including KDE PIM-Suite Kontact, Roundcube web frontend, Mozilla Thunderbird and Mozilla Lightning with SyncKolab extension and Microsoft Outlook with proprietary Kolab-Connector PlugIns. Kolab is a free and open source groupware suite. Various Free Software / Open Source Software Licenses English, German and many others (multilingual)
