IO ERROR writes: Version 7 of Citadel, the world's first open source groupware platform, was released Monday. From the announcement: 'This is a major upgrade that includes an elaborate set of options for per-user sorting and filtering of incoming mail. Each user can build a custom set of rules using an easy point-and-click rules editing screen. Advanced users can bypass the rules editor completely and build scripts using the Sieve language.' Also new for version 7 are Sarbanes-Oxley mail journaling support, improved integration for KDE, Debian, FreeBSD and Mac OS X, Webcal and GroupDAV support for your favorite calendar/PIM application, a complete AJAX and graphic facelift for the Web interface, translations for eight languages, and much more. Citadel was featured in the December 2006 issue of Linux Magazine.
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