[xwiki-users] help

hello !! i want to work on Xwiki Workspace and when i'm trying to invit users by Mail i got this message: *Error number 101007 in 101: Sending notification email failed Wrapped Exception: Could not connect to SMTP host: 587, port: 25* I am a beginner and i have no idea of what i have to do . by the way, i'm working on MAc OSX 10.5.8, and my FAI is FREE. i don't know if it change something. 2 questions : 1-how can i fix this and send mail invitatation to new users? 2-can you explain me how to go from the intranet to the internet? thanks and long life to Xwiki ;) -- Ucka Ludovic Ilolo Directeur Artistique de la compagnie LES GENS DE ... www.lesgensde.com http://perceptionlgd.blogspot.com/ http://www.myspace.com/lesgensde