Can/how do I set up a mailing list on a (free) hosted domain?

[#1]

When I start to add a mailing list, I am only offered the opportunity to operate it via my username.plus.com domain - I would like the list to be via my free hosted .org.uk domain.
TIA
vof

[#2]

It does not work with domains.

See http://community.plus.net/forum/index.php/topic,470.0.html

[#3]

Thanks Peter - that is what I suspected (unfortunately).
vof