[100596] in RedHat Linux List
RE: MX secondary, dns and sendmail - what's wrong?
daemon@ATHENA.MIT.EDU (Kenneth Ho)
Sun Nov 22 02:25:14 1998
Reply-To: <macbrush@macbrush.com.hk>
From: "Kenneth Ho" <macbrush@macbrush.com.hk>
To: <redhat-list@redhat.com>
Date: Sun, 22 Nov 1998 15:22:28 +0800
In-Reply-To: <Pine.LNX.4.05.9811212338500.24368-100000@server.moongroup.com>
Resent-From: redhat-list@redhat.com
Thanks for the reply. I have read that FAQ before, and it works if the relay
machine is up and running. I only get the error message on the secondary
server when the main server is down. I know there is something important
missing, just couldn't figure it out. I have read through the bat book, and
lots of other materials.
Thanks
Kenneth
*** A clean desk is a sign of a sick mind. ***
-----Original Message-----
From: Chuck Mead [mailto:chuck@moongroup.com]
Sent: 22 November, 1998 12:40 pm
To: Kenneth Ho
Cc: redhat-list@redhat.com; recipient list not shown: ;
Subject: RE: MX secondary, dns and sendmail - what's wrong?
On Sat, 21 Nov 1998, Kenneth Ho wrote:
> I am using a box with 5.1/5.2 components mixed together. I am having a
> similar headache with sendmail setup. What I need is fairly simple, a
backup
> server cache all the mail while the main server is down. I was told to do
> the following, and I did.
>
> 1. Setting up DNS record
> doamin.name. MX 10 main.server.
> domain.name. MX 50 secondary.server.
>
> 2. Put the domain name in main's sendmail.cw and in relay_allow of the
> secondary.
>
> 3. Test it by relaying mail through secondary server.
>
> I am sure everything was set correctly, so I thought it should works. My
> main server was actually down last night, so the secondary answered all
> incoming mail traffic, then I've got following error:
>
> The original message was received at Thu, 19 Nov 1998 08:41:52 +0800
> from philemon.xc.org [204.31.147.20]
>
> ----- The following addresses had permanent fatal errors -----
> <macbrush@macbrush.com.hk>
>
> ----- Transcript of session follows -----
> 553 croaky.macbrush.com.hk. config error: mail loops back to me (MX
> problem?)
> 554 <macbrush@macbrush.com.hk>... Local configuration error
>
> I know there is something missing in sendmail config, anyone came across
> this problem could shine me a light? I really like to make it works before
I
> have to consider qmail. Thanks in advance.
>
"Mail loops back to me" is a FAQ re: sendmail. Read the sendmail FAQ
at http://www.sendmail.org. I had it and fixed it!
Cheers!
--
Chuck Mead, CEO - Moongroup Consulting, Inc. <chuck@moongroup.com>
http://www.moongroup.com/
http://www.moongroup.com/unix/
There's no such thing as a free lunch.
-- Milton Friendman
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