[announce] Horde Groupware Webmail Edition 4.0-RC1

Jan Schneider jan at horde.org
Wed May 18 14:33:58 UTC 2011

The Horde Team is pleased to announce the first release candidate of
the Horde Groupware Webmail Edition version 4.0.

Horde Groupware Webmail Edition is a free, enterprise ready, browser based
communication suite. Users can read, send and organize email messages with
four different webmail interfaces and manage and share calendars, contacts,
tasks and notes with the standards compliant components from the Horde

The installation method for Horde Groupware Webmail Edition 4 has been
changed to use the PEAR installer. Please follow the instructions on
to install Horde Groupware Webmail Edition.

The major changes compared to the Horde Groupware Webmail Edition version 1

Global changes:
     * Completely refactored for PHP 5.
     * New installation process through PEAR installer.
     * Simplified configuration process.
     * ActiveSync support.
     * Frameless layout.
     * Grouping into advanced and simple user preferences.
     * Improved caching and reduced session sizes.
     * Much faster Share library.
     * Reduced dependency on external libraries.
     * Lots of improvements in all library components.

Mail changes:
     * New mobile frontend.
     * Much improved AJAX frontend including a vertical pane layout.
     * New IMAP library written from scratch with broad RFC support and huge
       performance improvements.
     * More powerful search and filter functionality.
     * Smart-reply feature.
     * Improved new mail notifications.
     * Localized special folders.
     * Better display of HTML messages.
     * HTML signatures.
     * Draft auto-saving.
     * Support for custom IMAP flags.
     * Reduced memory usage.

Address book changes:
     * Duplicates searching and merging.

Filter changes:
     * Changed default Sieve port to 4190.

Calendar changes:
     * New AJAX frontend with integrated tasks support.
     * New mobile frontend.
     * Resource scheduling.
     * System calendars.
     * Calendar coloring.
     * Calendar and event tagging.
     * Cross-timezone support.
     * CalDAV client support.
     * Improved recurring event exceptions.
     * Improved notification and invitation messages.

Tasks changes:
     * New Ajax frontend (in calendar).
     * System task lists.
     * Task list coloring.
     * Quick task adding.

The full list of changes can be viewed here:


Have fun!

The Horde Team.

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