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From: guy@rlgvax.UUCP (Guy Harris)
Newsgroups: net.mail.headers
Subject: Re: DOMAINS and lower case addressing
Message-ID: <481@rlgvax.UUCP>
Date: Thu, 14-Feb-85 00:44:19 EST
Article-I.D.: rlgvax.481
Posted: Thu Feb 14 00:44:19 1985
Date-Received: Sun, 17-Feb-85 05:31:46 EST
References: <8314@brl-tgr.ARPA>
Organization: CCI Office Systems Group, Reston, VA
Lines: 36

> I sincerely hope that the new DOMAIN scheme will not
> support lower case letters.

From RFC 819, "The Domain Naming Convention for Internet User Applications":

	The simple names that make up a domain may contain both upper
	and lower case letters (as well as digits and hyphen), but these
	names are not case sensitive.

I hope this is what you want.  If you want all names to be upper-case only,
sorry, my OS thinks two cases are neat and that lower-case is a good default,
and I refuse to be forced to use my SHIFT LOCK key when composing addresses.
The case-insensitivity of names makes it possible to send mail even on
old systems that don't support lower case; this is sufficient.

> THe only immediate problem with that is that would (probably) interfere
> greatly with sending mail on usenet.

If the UUCP net becomes a domain, the mail transport protocol will have to be
insensitive to the case of names.  If this fouls up some sites, they'll have
to change or not be members of the domain.

Non-members could send mail to the Internet (or whatever the mail net will
be called that would include the Internet and the UUCP net - most UUCP sites
are not on the Internet); if they sent to

	foo!bar!bletch!gateway!INuser@INdomain

(or whatever the syntax would parse as "send to "foo", then to "bar",
then to "bletch", then to "gateway", then have "gateway" send to
"INuser@INdomain"), the case might have to be correct for the UUCP hops
but the Internet host isn't allowed to care if it's going to "inuser@indomain"
or "INuser@INdomain" or "INUSER@INDOMAIN".

	Guy Harris
	{seismo,ihnp4,allegra}!rlgvax!guy