i have a proble when installing debian

[eshega@adn.net.al]

 Hi Debian Staff :)

 I downloading from your site the debian package
(debian-31r0a-i386-netinst) and installing in our server.

 this ser I use for mail (mailserver).

 but when installing finish he is not a sarge (linux 3.1) but is Xandros
Linux 3.0.

 I want to install debian sarge.

 My question is:

 - Why he is not sarge
 - is a problem for my server this OS, because we are a ISP in ALBANIA,
now we have a mail server with RHEL but we want to change with debian
sarge not Xandros Linux 3.0.

Please you can help me, please

 Best Regards Elton.