SUMMARY: how to make sendmail.mx use ip number as well??

From: Carlos Carvalho (carlos@snfep1.if.usp.br)
Date: Sat Mar 20 1993 - 02:27:48 CST


I asked a few days ago:
>I'm trying to send mail to a certain address but get "host unknown".
>Apparently there are no mx records for this address
>(vm.urz.uni-heidelberg.de), but its ip number is available. Why
>doesn't sendmail.mx use it when it can't find a mail exchanger? I
>think that according to RFC's it should.

Some people said to enclose the IP number in square brackets, like
    user@[129.206.98.101]
(btw, this is the real IP number of the host I'm trying to reach).
While it's nice to learn this, it's not what I was looking for. I'd
like sendmail[.mx] to AUTOMATICALLY use the IP number when it doesn't
get an mx record for the host. Apparently this is what the RFC's specify.

A few other people said that there's no IP number in the maps, which
is not true. Here's what nslookup says:

Non-authoritative answer:
Name: vm.hd-net.uni-heidelberg.de
Address: 129.206.98.101
Aliases: vm.urz.uni-heidelberg.de

The maps have also a CNAME entry and a list of where authoritative
answers can be found.

One person, feldt@phyast.nhn.uoknor.edu (Andy Feldt) says that he has
no trouble sending mail to the host. If this is really the case, his system
is working right, and the behaviour I desire is feasible. All I want
to know is how to do it. Is it just a configuration problem? Is it
related to the version of sendmail?

Any pointers??

Thanks to all who responded,
Carlos



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