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Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!mailrus!tut.cis.ohio-state.edu!bloom-beacon!mcgill-vision!mouse
From: mouse@mcgill-vision.UUCP (der Mouse)
Newsgroups: comp.mail.uucp,news.admin
Subject: Re: Internet + uucp
Message-ID: <1031@mcgill-vision.UUCP>
Date: 6 Apr 88 07:41:42 GMT
References: <1103@uokmax.UUCP> <35@mozart.UUCP> <13527@uflorida.cis.ufl.EDU>
Organization: McGill University, Montreal
Lines: 57
Keywords: internet uucp routing
Distribution:


In article <35@mozart.UUCP>, rosalia@mozart.UUCP (Mark Galassi) writes:
> In article <1103@uokmax.UUCP> rob@uokmax.UUCP (Robert K. Shull) writes:
>> We just finished connecting to Midnet (which allows us Internet
>> access.)  Is there any good way to set up routing tables which
>> include both uucp and the machines which we can connect to directly?
>> I don't really want to create a huge local entry for pathalias to
>> work on. Any suggestions would be much appreciated.

If you come up with any good solutions I'd be interested in hearing
about them.  We are in the same situation - uucp connectivity, but also
on the Internet - and have all the attendant problems.  (See below for
how we handle them.)

> One good solution is to use the "sendmail.cf" file (I presume you
> have sendmail) that is provided with "smail".  It [...] allows you to
> have a "hosts.smtp" file which lists all the hosts you talk to
> directly via smtp.

Unfortunately....

In article <13527@uflorida.cis.ufl.EDU>, esj@beach.cis.ufl.edu (Eric S. Johnson) writes:
> You will not want to keep any kind of hosts table for this many
> hosts.

Nor could you if you did want to.  The thing would be perpetually
out-of-date, because FooBar U. isn't going to inform you every time
they add a new machine.

> Luckly, the friendly folks who put together the Internet thought of
> this, and developed the Domain Name Servers.  [Explanation of what
> this is, and how MX records help.]

> [MX-record capable sendmail] takes care of the true Internet domains,
> and most "registered" UUCP hosts.  As for unregistered UUCP hosts and
> "fake domains" (I.E. .UUCP) your best bet is to pass them on to your
> smart pathalias based mailer.

The problem is to tell the difference!

Someone just handed me big_bird@ihnp4; presumably I should send this to
pathalias.  Now, if someone hands me miss_piggy@uunet, how do I know to
do smtp to uunet.uu.net instead?

(Currently, we punt and give an error for both of the above.  Direct
uucp links of course get sent directly, bang notation and the fake
.uucp domain get sent through pathalias, and everything else must have
at least an MX record.  Full details available on request.)

I predict you will also find yourself cursing the fact that sendmail
won't let you rewrite the envelope addresses without rewriting the
header addresses.  Rewriting the header addresses is wrong (unless they
aren't in rfc822 form), but rewriting the envelope addresses is
necessary...sigh.

					der Mouse

			uucp: mouse@mcgill-vision.uucp
			arpa: mouse@larry.mcrcim.mcgill.edu