Spammassassin questions

I have a question regarding spamassassin. I have 2 Virtualmin Pro servers.

Both are setup to use spamc as the spam scanning engine. The configuration help menu says:

"Using spamc is typically faster and consumes less memory and CPU. However, it will take away the ability to have a different SpamAssassin configuration for each virtual server, as the spamd server can only read a single set of configuration files."

However, when I login as a usermin user, I still have the option to change my spam filtering options and procmail config.

Could you explain to more detail the use of spamc and it's limitations? What ara the global config settings that apply to the whole server, and which are modifyable on a per user basis?

Thanks for your help, Virtualmin ROCKS!

Status: 
Closed (fixed)