Inverse SOGo 1.0 Release Candidate 5.3

The Inverse team is pleased to announce the release candidate 5.3 of Scalable OpenGroupware.org (alias "SOGo"). This release contains plenty of fixes and enhancements, please check the ChangeLog file and announcement for all the details.
[Announcement], [Tarball], [Subversion], [ViewCVS], [Install], [Screenshots]