Dear Friends,
I need to setup a server with webmin and make it secure, i am using Postfix as the mailserver and also Open source version of Virtualmin on a Centos 5.4 box,
I need to know what are the specific steps i need to take to make mailserver, FTP, apache, PHP and Perl / CGI secure,
I will also need to limit the number of emails generated by a particular domain.

Pl. advice,
Replies will be appreciated.
Thanks and kind Regards,
Abhishek jain