http://mirror.contribs.org/smeserver/releases/7/ works fine for me (but I too am from .nl)For idiots like me... Changes can be made in /etc/yum.conf (There is a template or DBConfig for this, so changes will be lost at template expansion)
db yum_repositoruies smeos setprop BaseURL "http://mirror.contribs.org/smeserver/releases/7/smeos/\$basearch"expand-template