Sendmail and backup MX

Steve Campbell campbell at CNPAPERS.COM
Mon Sep 26 20:40:23 IST 2005


I believe DNS does this if you have your secondary MX defined in DNS with 
equal or lower priority than the primary.

The primary will not accept mail as it's down.
DNS will direct mail to the secondary automatically.

I think this is all proper. I could be wrong though.

Steve Campbell
campbell at cnpapers.com
Charleston Newspapers

----- Original Message ----- 
From: "Scott Silva" <ssilva at SGVWATER.COM>
To: <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Monday, September 26, 2005 3:13 PM
Subject: [MAILSCANNER] Sendmail and backup MX


> Not a MailScanner issue, but ...
> Does anybody have any simple solutions for sendmail that only lets the
> backup MX accept mail when the primary is down?
> I don't want to re-invent the wheel if someone already has a working
> solution.
>
> -- 
>
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