Software Version 4.2.6

New: Monthly overview of transmission statistics with all computers
Notification time for undelivered emails adjustable under "Services > Email > Settings"
Notify postmaster in case of undeliverable emails (bounce) adjustable under "Services > Email > Settings"
30 days test mode without extra license
Fixed problems due to too many files open at the same time
system load reduced by many traybar traffic light programs
Problems with ISDN phone system prefix and lock call fixed
Fixed problems with line breaks when importing CSV files
system start after power off without shutdown now more stable
updated Linux basic services (postfix-2.0.18, libxml2-2.6.5, libxml++-1.0.1)