Joomla Portals

[Scotmove]

Hey, was having a play with joomla. It was through one of those free portals. What re the drawbacks to them. I take it they are unreliable or whatever? Im assuming also you couldnt point a domain name at them?

[Scotmove]

Ive already got hosting for it, I have a few accounts in a mates resseller plan plan but I just wanted to know more about these portals?