> Hi,
>
> sorry, I know that this topic was discussed in-depth. I read most of
> the
> messages about. What I don't understand is why underscores may be
> valid in dns
> (I can turn off the check in /etc/named.boot) but never in email
> addresses.
Wrong perception. According to the RFCs, underscores are wrong in
hostnames; however sysadmins take advantage of older namservers and put
them in anyway, and broken nameservers don't always complain.
> I've often seen underscores in hostnames and so there are a lot of
> email addresses
> based on hostnames with underscores in it. I really think there should
> be an option
> to use exim with these addresses ( e.g. in an environment with NT).
As long as that is internal, no problem. Don't expect the rest of the
world to follow suit.
M
--
Mark Murray
UUNET Internet Africa - Senior Network Engineer
Please visit
http://www.abuse.net - Help stamp out net.abuse
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