> Chroot and multiple instance support are, or should be, handled properly
by the Postfix init scripts.

should be. Exactly! I did the re-install with a single instance, but it was
troublesome. dpkg kept throwing errors because of some post-installation
modifications. The second instance effectively screwed up the usual
directory structure...

Guess there were some leftovers preventing the installation script from
working properly. Because I didn't have those problems when I installed it
the first time...


ricardus



Stan Hoeppner wrote:
> 
> On 8/10/2011 12:10 AM, ricardus1867 wrote:
> 
>> By trying to add a second postfix instance (something seems to have went
>> terribly wrong), I managed to screw up my postfix. Badly. Nothing would
>> work
>> anymore. So I tried the scorched earth approach (purge, then install).
>> 
>> That worked more or less, except for the fact that /var/spool/postfix/etc
>> was empty. So one of the problems (DNS lookups stopped working)
>> persisted.
>> 
>> I copied a couple of files inside that directory that I remembered being
>> there (hosts, localtime, nsswitch.conf, resolv.conf, services and the ssl
>> certs), but the error either is elsewhere or I forgot to copy a file...
>> 
>> I tried no setting "chroot" to "no" for the smtp daemon. That fixes the
>> problem. But how can I make DNS lookups work again without loosing the
>> chroot?
> 
> Chroot and multiple instance support are, or should be, handled properly
> by the Postfix init scripts.  If you are using a distro Postfix package,
> these scripts are written and maintained by distro staff.
> 
> For a thorough description of the cause of this problem, and fixes, it
> is worth the time to read this:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560682
> 
> Even if you're using something other than Debian, the knowledge gained
> from this doc is valuable in understanding the issue.
> 
> -- 
> Stan
> 
> 

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