Re: SMTP failover
From: Bill Vermillion (bv_at_wjv.comREMOVE)
Date: 01/30/04
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Date: Fri, 30 Jan 2004 18:55:01 GMT
In article <bvdi20$699$1@newsread.albacom.net>,
Roberto Zini <rob@robnothere.com> wrote:
>Dipen wrote:
>> Hi,
>> Does anyone know how to failover an SMTP server (standard sendmail
>> SMTP server) on Linux?
>> Basically, we have 2 physically servers both acting as SMTP servers.
>> Our email points to the ip address on server #1. If server #1 dies, is
>> there any way we can automatically failover to server #2?
>> Many Thanks in advance!
>> Dipen
>Dunno if you can do it via the MTA but you can by using DNS.
>AFAIK, you can have multiple MX records for a given domani; each
>record may have a priority which tells the preferred server.
>When one is unavailable, the remote MTA will switch to the second
>one in the priority list.
Just be sure you have the second machine set to accept mail for
that domain, otherwise all you will get are error messages
regarding relaying forbidden.
I hadn't had the problem since I forgot to add on yesterday :-)
Bill
-- Bill Vermillion - bv @ wjv . com
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