Technology
Zarafa provides its groupware functionality by connecting the Linux-based server with Outlook clients using MAPI. The communication between server and client is based upon SOAP technology. The connection to Outlook clients can be secured using TLS/SSL, either directly between the Zarafa server program and the client, or via an HTTPS proxy. All data is generally stored in a MySQL database, although attachments can be saved on the filesystem. The Zarafa server can get its user information from LDAP, Active Directory, Unix user accounts or the MySQL database. The webmail is based on AJAX technology, with a PHP backend using a MAPI PHP extension. Other clients can connect via POP3, IMAP and iCalendar/CalDAV.
Zarafa initiated a project called Z-push in October 2007. It supports ActiveSync compatible devices (Symbian, Pocket PC, iPhone (firmware 2.0 and higher), Android (version 2.1 and higher), Nokia (mail4Exchange)) implementing the ActiveSync protocol and using the Incremental Change System (ICS) provided by the PHP-MAPI extension.
Zarafa is part of the OpenMapi project which is developing an open groupware API based on MAPI.
Read more about this topic: Zarafa (software)
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