The underscore is not an RFC-complaint DNS character. It will still work in
most cases (we used to have a server that way) but as a "best practices"
matter you shouldn't use underscores in the names of any machines that are
going to need to be resolved via DNS.
Ben M. Schorr, OneNote-MVP
**I apologize but I am unable to respond to direct requests for assistance.
Please post questions and replies here in the newsgroup. Mahalo!
> I have been told that having an underscore in the Exchange 5.5 (or other)
> name is now illegal?
> I have a server that is called abcnew_york.local (windows 2000, Exchange
> SP4) - some hosts won't accept mail from it - is this because of the
> underscore then?