[100485] in RedHat Linux List
Re: MX secondary, dns and sendmail - what's wrong?
daemon@ATHENA.MIT.EDU (Kevin W. Reed)
Fri Nov 20 23:22:41 1998
Date: Fri, 20 Nov 1998 21:03:57 -0700
From: "Kevin W. Reed" <soldo@telesys.tnet.com>
To: redhat-list@redhat.com
Mail-Followup-To: redhat-list@redhat.com
In-Reply-To: <3655CD53.8437DA3E@nook.net>; from Ramon Gandia on Fri, Nov 20, 1998 at 11:13:08AM -0900
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
Told to us by Ramon Gandia (rfg@nook.net)
on Fri, Nov 20, 1998 at 11:13:08AM -0900
> Drew Mouton wrote:
> >
> > First, our dns is like this (this is a pre-BIND8 config file):
> >
> > mydomain.com IN MX 10 serverA.mydomain.com;
> > mydomain.com IN MX 20 serverB.mydomain.com;
>
> 1. What is the semicolon doing at the end of your lines above?
> It should be a period.
>
> 2. serverB.mydomain.com will NEVER get email unless serverA is
> not responding. There is no way, that I know of, that at this
> level you can assign some users to serverA and some to serverB.
Actually, a lot of spam sites hit MX's in reverse order to catch
those admins that haven't protected the secondaries like the
primaries. A lot of sites stopped using secondary MX's for that
reason.
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