Underscores in host names
Mark Andrews
Mark_Andrews at isc.org
Thu May 19 00:40:32 UTC 2005
In article <Pine.LNX.4.60.0505180849230.24969 at hermes-1.csi.cam.ac.uk> you write:
>
>There are also mail domains to consider. They have superficially the same
>syntax as host names (they cannot have a trailing dot) but they are
>generally checked much more strictly for conformance to that syntax. I'm
>not sure whether the original post was about a mail domain or the name of
>a mail host, but if it was the former I would be surprised if the customer
>could claim that it works most of the time.
Hostnames can't have a dot at the end either. The dot at the
end is a local resolver indication to not use the search list.
Mark
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