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Old 21st April 2011, 14:29
Justin Albstmeijer Justin Albstmeijer is offline
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Default ispconfig3: setup a secondary/fall-back mail server

Hi,

What is the correct/intended way of configuring a secondary/fall-back mail server within ispconfig3?
Especially one that will also start bouncing on non existing accounts/domains and does spam/virus filtering before passing the mail to the primary mail server.

This because till now it seems to cripple the spam efficiency if this bouncing/filtering is only done by the primary mail server receiving the unfiltered mail from the secondary mail server.

Till now I did the following which works fine, but I wonder if there is a cleaner/better way of doing it.

Make the local mysql server on the secudary mail server a slave of the mysql server of the primary mail server. (using SSL, as the replication goes through the public network).
On the secondary mail server there is no need to run the ispconfig cron, as it is not known to ispconfig and there are no ispconfig triggered changes that need to take place on this server.

Make the postfix/spamassasin config on the secondary mail server equal to the primary except for some changes to the transport_maps and forward all accepted mail to the primary mail server on a different port which won't pass the mail again though a spam filter.

In the meantime I see I can also define a mirror server within ispconfig which will get all config changes for mysql too, so I won't need a mysql master/slave setup anymore.
But still I will need to hack the postfix config as mentioned above and will have an ispconfig cron running which will execute unneeded file system changes (like mailboxes) on the secondary mail server.

Maybe I'm missing an obvious way to configure the wanted primary/secondary mail server setup within ispconfig.

Thanks in advance for any suggestions or clarifications.

Justin
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Old 21st April 2011, 14:57
till till is offline
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Please see here:

http://www.howtoforge.com/installing...th-ispconfig-3

for mailserver mirroring, glusterfs is needed only for /var/vmail. Do not put mysql and /var/www on glusterfs for that setup and do not use mysql replication, as the config replication is done by ispconfig. You can run as many mirrors as you need to handle the load in that way.
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Old 21st April 2011, 15:14
Justin Albstmeijer Justin Albstmeijer is offline
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Thanks Till for your reply.

But that is not what I'm looking for.

I don't need a mail cluster.
Just the traditional primary/secondary mx setup.,

domain.ext MX 100 ispconfig_mx1.domain.ext
domain.ext MX 200 ispconfig_mx1.domain.ext

whereby the secondary also take it's part in filtering mail.

Justin
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