How to Implement the Back-end(Server)

[Simon Peter Muwanga]

Hi,

How should a back-end(if you like, call it a server) be implemented?

Some facts:
-Should receive requests from a client
-Save data sent from a client; am using xmlHttpReqest for sending data
from the client
-Data should be retrieved, and reviewed by the administrator once a day,
say at 00:00 hrs
-A message confirming that data was successfully received from a client.

Please advise me on how to do this. In any case, this is a distributed
system being developed in XUL. My client looks like thunderbird. So how
should the serve be looking like, implemented(i.e. what language,
xul,php,jsp or ....)?

Am excited to learn more :-) .
Thanking you,
Simon.