Software Version 5.0.10

Automatic support for multiprocessor systems (SMP)
New Linux kernel 2.6.26 with updated drivers
New version of the email server: More than 2GB quota possible / Increased stability with simultaneous access to internal databases / Insecure SSLv2 protocol disabled
Spam filter improvements (detection of local networks and upstream MX servers)
Faster backup restore of individual email accounts
Shutdown of the system by briefly pressing the power button
Import/export of computers and users corrected
Improved security on Linux base system (bind-9.3.5-P2, perl-5.8.8: CVE-2008-1927, horde-framework: CVE-2008-3823 and CVE-2008-3824, postfix-2.4.9: CVE-2008-2936 and CVE-2008-2937, mtr-0.74: CVE-2008-2357)
Linux basic services update (cyrus-imapd-2.3.12p2, iproute2-2.6.25, kernel-2.6.26.4, pcre-7.8, perl-Mail-IMAPClient-3.10)