Sorry about the OT, this was one of those times where I cannot think
of a better place to ask this... and there are many well informed
people here.

I've been unable to turn up a mailing list about Xming. gmanes active
list doesn't appear to have any group with xming in the
name... googling turns up Xming home site , and usually one can find
about mailing lists on a home site... not so this time.
http://www.straightrunning.com/XmingNotes/

Their sourceforge site has nothing helpful either and in fact refers
to the above citation.

Straight google on xming mailing list, turns up quite a few threads
where xming is mentioned but none appear to be on an xming mailing
list.

E-mail the author directly rather. AFAIK he responds quickly.