This keyserver has a very simplistic web interface. Please use the following commands to use this keyserver with GnuPG:
gpg --keyserver hkp://keys.intmain.net:80 --search-keys Smith
gpg --keyserver hkp://keys.intmain.net:80 --send-keys 8E041080
gpg --keyserver hkp://keys.intmain.net:80 --recv-keys 8E041080