I installed this two rpm on Centos 6 amavisd-new.noarch 0:2.8.0-4.el64 postfix-2.6.6-2.2.el6_1.i686 clamav-0.97.8-1.el6.i686
and dont see any errors in logs , antivirus works fine but spam NO If i receive spam message nothing happens I foolwed tutorial on Centos Wiki..everything is the same.. Br Dejan