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Re: sendmail delay

daemon@ATHENA.MIT.EDU (David Wood)
Tue Nov 5 13:47:57 1996

Date: Tue, 5 Nov 1996 15:29:01 +0000
To: redhat-list@redhat.com
From: David Wood <david@wood2.demon.co.uk>
Reply-To: David Wood <wood2@wood2.demon.co.uk>
In-Reply-To: <199611050303.VAA02633@dimebox.bmc.com>
Resent-From: redhat-list@redhat.com

In message <199611050303.VAA02633@dimebox.bmc.com>, Hal DeVore
<hdevore@crow.bmc.com> writes
>sendmail wants to talk to a nameserver when it starts up.  I forget why but 
>it does.  You have a few choices.
>
>1)  live with it.  Consider it an exercise in patience building.
>2)  hack the sendmail startup script to start sendmail in the background
>3)  remove the symlinks that start sendmail (only if you are ALWAYS a 
>standalone machine, sendmail does nothing useful for standalone machines).
>4)  replace sendmail with something else, others have suggested qmail
>5)  set up your machine as a caching nameserver

You can tell sendmail that it doesn't have DNS available, by inserting
the following in the sendmail.cf (you should do this properly, by
creating a local file in the /usr/lib/sendmail-cf directory, and running
through m4):
FEATURE(nodns)dnl
FEATURE(nocanonify)dnl

The first line tells sendmail that you don't have DNS available. The
second tells sendmail not to canonify names (which can cause problems if
you don't have full name services available - particularly the lack of
CNAME records!), though you may not need it. Experiment!

The other thing to to is to persuade inet.d to start sendmail up for
incoming SMTP (it will be commented out), and it should start
automatically to ship outgoing mail. In this case, use SysVEdit to edit
sendmail out of your runlevels.

Hope this helps,


David
-- 
David Wood
david@wood2.demon.co.uk


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