Re: The old DNS gambit

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On Tue, 8 Jul 2003, Harry Putnam wrote:

> For us single user homeboys, its always a stumbling block how to do
> resolution of your own host.  Mine will never be resolvable with
> `host' or `nslookup'.  For years I've just named it as I choose but
> set up mail to masquerade as my (ISP's) smtp server.
> 
> One way or another that has always worked... The newest sendmail
> packages seem to finally break that for me.  Something to do with 
> sm-client I think.  and the line in submit.cf:
> 
>    FEATURE(`msp', `[127.0.0.1]')dnl
> That used to say 
>    FEATURE(`msp')dnl
> 
> But even changing it back, I get maillog messages that seem to
> indicate a resolution problem:
> 
> Jul 7 23:49:58 reader sendmail[24514]: h686nwHQ024514:
> to=<reader@xxxxxxxxxxx>, delay=00:00:00, xdelay=00:00:00,
> mailer=relay, pri=32425, relay=smtp.west.cox.net. [68.6.19.4],
> dsn=5.1.1, stat=User unknown

[snip]

> 
> So finally to the punch line:
> 
> Is there something I can put in /etc/reslov.conf that will force a
> dns query to look at my hosts file first, and go no further if it
> hits pay dirt.  I don't really want to run a nameserver myself.
> Again it just seems like too much work and bs for a single user
> operation.

If you edit /etc/nsswitch.conf and change the line 
hosts:	files dns

to:
hosts:	files [success=return]

then this should work.  (Actually "return" is the default and just the 
line "hosts: files" should work on its own).

HTH,
Oisin Feeley




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