real server versus http server

[RealForum]

From: [EMAIL PROTECTED] 
Received: from [EMAIL PROTECTED] 
Date: Thu, 26 Aug 1999 12:45:12 EDT 
Subject: real server versus http server 
To: [EMAIL PROTECTED] 

I upload my promo content in an HTTP server just to check the quality, 
buffering, etc. it works fine. I thought I couldn't do that. I thought you 
can serve real content ONLY from a Real server.Anybody can tell me where is 
the differce? thanks.
Nicoletta Jacobacci