Support for group rules

Support for delayed email delivery to save bandwidth during peak working hours

Multiple delivery queues is available with different delivery priorities

The ability to modify server specific performance settings from within the GUI1

Added the ability to add quarantine details inside warning messages

Added a configurable server monitor tool with notification on malfunction

Extended the graphs

Quarantined e-mail can now be released to the original and any other specified recipient

The ability to synchronise MIME type blocking was added

Analyze, release and view quarantined e-mail will now open in a new window

Added MIME type blocking to the summery report

Entries in the Graylist Delaypool can be manually placed in the Graylist Whitelist

Updated anti-spam rules

Other minor features and fixes