No log to syslog after upgrade

[Thomas Ericsson]

After our upgrade from SA 2.6.3 to SA 3.1.3 we do not get any logs  
written to /var/log/mail.log anymore. Any ideas why this could be?

Here's our setup: OSX 10.3.9, Communigate 4.2.8, CGPSA 1.4, SA 3.1.3
Thomas Ericsson