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Started by Craig F. Everhart
Wed, 04 Feb 1987 22:15
Re: Routing using @host1:@host2:user@host3
Author: Craig F. Everhart
Date: Wed, 04 Feb 1987 22:15
Date: Wed, 04 Feb 1987 22:15
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ReSent-From: postman#@andrew.cmu.edu ReSent-To: nntp-xmit#@andrew.cmu.edu Return-path: <cfe#@andrew.cmu.edu> X-Trace: MS Version 3.21 on ibm032 host apollo, by cfe (469). To: outnews#ext.nn.comp.mail.headers@andrew.cmu.edu In-Reply-To: <1322@ncr-sd.UUCP> Neither @host1:@host2:user@host3 nor @host1,@host2:user@host3 is correct. The correct form is <@host1,@host2:user@host3> If the first form is surrounded by angle-brackets, it corresponds to an early draft of RFC822, so there's some chance that more sites will recognize it than by chance. But then again, we can ask why you're looking for ways to bend standards? Why not generate the correct form?
Re: Routing using @host1:@host2:user@host3
Author: mouse
Date: Thu, 12 Feb 1987 02:32
Date: Thu, 12 Feb 1987 02:32
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In article <oU9vpky00VsLQCE5fm@andrew.cmu.edu>, cfe#@andrew.cmu.edu (Craig F. Everhart) writes:
> Neither
> @host1:@host2:user@host3
> nor
> @host1,@host2:user@host3
> is correct. The correct form is
> <@host1,@host2:user@host3>
>
> But then again, we can ask why you're looking for ways to bend
> standards? Why not generate the correct form?
Because too much existing software barfs on it. I've run into this
problem here. I redid our sendmail configuration so that it generates
RFC-style routes (I won't call them compliant because they contain
internal pseudo-domains). However, when the route gets long enough to
contain a comma, there are problems.
Problem 1 is that, as you point out, there must be <>s around it. So
we add <>s. But someone, somewhere, insists on adding another set,
resulting in an address like
<<@foo,@bar:user@baz>>
which is rather distasteful, even though I have managed to make the
software accept it (does such a mess Conform to the Standard?). This
way we don't get things like
From: @bar:user@baz, @foo
out of sendmail. But wait, there's a worse problem: /usr/ucb/Mail
takes the above <<@a,@b:c@d>> and strips off both angle brackets and
then insists on treating the comma as a separator, resulting in
(again!) two separate addresses.
I'm about ready to go to percent signs, which at least work. I don't
like to though, the Conforming addresses should work (and I shouldn't
have those stupid double <<>>!!).
Does anybody have any suggestions for a way out of this mess?
der Mouse
USA: {ihnp4,decvax,akgua,utzoo,etc}!utcsri!mcgill-vision!mouse
think!mosart!mcgill-vision!mouse
Europe: mcvax!decvax!utcsri!mcgill-vision!mouse
ARPAnet: think!mosart!mcgill-vision!mouse@harvard.harvard.edu
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