On Thu, 19 Nov 1998, Schreckenbach, Jan wrote:
> 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.
Mail addresses transferred over SMTP are defined in RFC 821, which does
not allow underscores in mail domains. *That* is where the restriction
arises. It is not a DNS restriction.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
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