In case you see the error message:
razor2: razor2 check failed: Connection refused razor2: razor2 had unknown error during get_server_info at /usr/share/perl5/vendor_perl/Mail/SpamAssassin/Plugin/Razor2.pm line 190. at /usr/share/perl5/vendor_perl/Mail/SpamAssassin/Plugin/Razor2.pm line 330.
Just unlock your firewall:
iptables -I OUTPUT -m tcp -p tcp --dport 2703 -j ACCEPT
service iptables save
