Re: Sendmail 8.8.7 as a back up mail server

["Jose M. Sanchez" <opjose ex-pressnet com>]

-----Original Message-----
From: Stephen Swavley <Sswavley swavley com au>
To: 'redhat-list redhat com' <redhat-list redhat com>
Date: Wednesday, September 30, 1998 7:58 PM
Subject: Sendmail 8.8.7 as a back up mail server


> I had a system running RedHat Linux 4.1.  I was using this system as a
>secondary mail server.  This was a straight installation (i.e. no
>tweaking).  I have installed RedHat Linux 5.1 over the top of this and
>now it won't behave as a secondary mail server.  I started receiving the
>message:
>
>reject=551 <auser mydomain com au>... we do not relay
>


This change to relay mail is covered in the RH5.1 changes documentation.
Start there.

>So added the domain name into /etc/mail/name_allow and then I got the
>message:
>SYSERR(root): backup.mydomain.com.au. config error: mail loops back to
>me (MX problem?)
>

>So I added the domain into /etc/sendmail.cw and got the message:
><auser mydomain com au>... User unknown
>


The error message is correct, you need to check your DNS setup, specifically
the MX records. You have an error there...

-JMS