No, the only mention i see of anything related to spam in the log files is when it tagged somthing as spam.
It does say this when i start amavisd...
May 28 03:24:11 localhost amavis: Module Mail::SpamAssassin 3.000003
It says that among the list of modules....
I checked syslog and mail.log and mail.err, the only error i am seeing is this one:
localhost dccproc: socket(UDP): Address family not supported by protocol
Im not sure what that one means though..