From: Bastian Blank (bastian+postfix-users=postfix.orgwaldi.eu.org)
Date: Thu Mar 13 2008 - 09:03:24 CDT

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On Thu, Mar 13, 2008 at 02:12:06PM +0100, Victor Trac wrote:
> I have a postfix server running at one location handling email for a
> number of domains. The domains all have A records that are part of a
> single class C.

Class C does not longer exist since 14 years.

> I want to build another Postfix server at another
> location as a backup, in case the first location loses connectivity.

Why? Do you expect more than 5 days outage?

> My problem is that I have a large number of domains with a large and
> ever changing number of LDAP-backed users.

Use replication functionality which is provided by most LDAP servers.

> I would like for the
> backup server to only accept emails for domains that have A records
> belonging to our class C.

No, you don't want to do less checks on a backup MX.

Bastian

--
        "Life and death are seldom logical."
        "But attaining a desired goal always is."
                -- McCoy and Spock, "The Galileo Seven", stardate 2821.7

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