Software Version 4.5.3

Important update on F-Secure virus scanner (fsav-4.63.4110)
UPS monitoring under "System > UPS"
Emergency backup of configuration on all partitions
Email backup restore without shutting down the email server
Groupware newsletter can be subscribed under "Information > License"
Email transfer can no longer block shutdowns
Fax sending with busy remote stations improved
Improved security on Linux base system (httpd: CAN-2005-1268 as well as CAN-2005-2088, dhcpcd: CAN-2005-1848)
Update of Linux base services (dansguardian-2.8.0.6, dante-1.1.17, file-4.14, iptables-1.3.3, pcre-6.2, PHP-4.4.0, sqlite3-3.2.2)