I am new @ Zimbra, i am trying to download zimbra for Linux, http://www.zimbra.com/products/desktop_download.html

However it shows the "zdesktop_0_90_build_1278_linux_i686.sh" which is around 51 MB and when i rum this script IT GIVE BELOW MASSAGE,

gunzip: sfx_archive.tar.gz: not in gzip format

I am sorry, but the installer file seems to be corrupted.
If you downloaded that file please try it again. If you
transfer that file with ftp please make sure that you are
using binary mode.

Is there any different tar.gz available for zimbra which i need to install as its a only shell script. :