Software Version 4.5.4

Improved spam filter: SpamAssassin-3.1.0
Free/Busy information in Groupware Connector for all local email addresses
Maximum number of email recipients adjustable under "Services > Email > Settings"
Support for LSI/AMI megaRAID controllers
More magnifying glass icons for direct access to objects
"Router DHCP" automatically goes back online after configuration changes
Backup Restore marks emails as read for users with "." in their name
Improved security on Linux base system (httpd: CAN-2005-2491, CAN-2005-2700 as well as CAN-2005-2728, squid: CAN-2005-2794 and CAN-2005-2796)
Update of Linux base services (amavisd-new-2.3.3, curl-ssl-7.14.1, dante-1.1.18, openssh-4.2p1, pcre-6.4, perl-Compress-Zlib-1.37, socat-1.4.3.0, sqlite-3.2.7)