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Posting-Version: version B 2.10.1 6/24/83; site ucsfcgl.UUCP
Path: utzoo!linus!decvax!ucbvax!ucsfcgl!gregc
From: gregc@ucsfcgl.UUCP (Greg Couch%CGL)
Newsgroups: net.mail
Subject: Re: Addresses
Message-ID: <336@ucsfcgl.UUCP>
Date: Wed, 15-Aug-84 16:13:37 EDT
Article-I.D.: ucsfcgl.336
Posted: Wed Aug 15 16:13:37 1984
Date-Received: Sun, 19-Aug-84 12:21:43 EDT
References: <2176@sdccsu3.UUCP>
Organization: Computer Graphics Lab, San Francisco
Lines: 17

One problem with using the percent sign as a local delimitor, is that
the percent sign is often used as a substitute for "extra" at signs
when sending mail to the Arpanet.  This especially hurt us since since
Berkeley (ucbvax) does this, and ucbvax is our link to the outside
world (e.g. <user@berksite> becomes <user%berksite@Berkeley.Arpa>).

The solution we implemented was to use the colon as the local delimitor,
since it historically has been for local networks (e.g.  berknet) and
uucp sites (ucbvax) don't mung it.  Thus a local net address would be
<ucsfcgl!ucsfbcl:gregc@Berkeley.Arpa> for ArpaNet sites, and
<ucbvax!ucsfcgl!ucsfbcl:gregc> for uucp sites.  If we were directly on
the ArpaNet, then <ucsfbcl:gregc@uscfcgl.Arpa> would work too.


				- Greg Couch
				ucsfcgl!gregc@Berkeley.Arpa
				ucbvax!ucsfcgl!gregc