Re: [Exim] Backup exim mail server

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Lähettäjä: dman
Päiväys:  
Vastaanottaja: exim-users
Aihe: Re: [Exim] Backup exim mail server
On Sat, Mar 23, 2002 at 05:19:51PM +0000, Philip Hazel wrote:
| On Sat, 23 Mar 2002, dman wrote:

|
| > | They set up multiple MX records with appropriate preference values, and
| > | allow the backups to relay for the relevant domains. That's all you need
| > | to do.
| >
| > Is this really any better than not having the backup MX in the first
| > place?

|
| Yes. If the backup is close to you, it means that the mail can be
| delivered quickly from the backup to the primary when it comes back up.
| More importantly, it can be delivered in a controlled manner (e.g. Exim
| may well send it all down a single SMTP connection, one message at a
| time). On a busy host this matters. Back in the days before Exim, when
| we were running other MTA software, I saw a busy machine repeatedly
| knocked over when it came back up, because the whole Internet kept
| slamming it with a zillion SMTP connections.


Ok, this makes sense.

I think I see what I did wrong, too. On my secondary I should have
extended the retries for my domain to be longer than 8 days.

-D


--

Whoever loves discipline loves knowledge,
but he who hates correction is stupid.
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