Install dovecot on Centos 6.4

I have follow this howto:
http://www.howtoforge.com/perfect-server-centos-6.4-x86_64-apache2-dovecot-ispconfig-3

The command for install 'sieve' too is:

Code:

yum install dovecot dovecot-mysql dovecot-pigeonhole

Now, this is my dovecot* installed:

Code:

[root@s-ispc log]# yum list|grep dovecot|grep @
dovecot.x86_64                             1:2.0.9-5.el6                @base   
dovecot-mysql.x86_64                       1:2.0.9-5.el6                @base   
dovecot-pigeonhole.x86_64                  1:2.0.9-5.el6                @base   

Hope this help