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List:       postfix-users
Subject:    Re: Header has unknown for IP address
From:       Sophie Loewenthal <sophie () klunky ! co ! uk>
Date:       2018-06-27 20:43:27
Message-ID: 19791558-4C40-4EA0-9FED-D7387DA31060 () klunky ! co ! uk
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No worries. Thanks again for your help.  Found some details on google. 



> On 27 Jun 2018, at 22:05, Noel Jones <njones@megan.vbhcs.org> wrote:
> 
> Sorry, I don't debian.
> 
> IIRC, the Debian postfix package supplies a script that is supposed
> to populate the chroot on bootup.  Track down the script and run it,
> or ask on a debian-specific forum.
> 
> 
> 
> -- Noel Jones
> 
> 
> 
> On 6/27/2018 2:57 PM, Sophie Loewenthal wrote:
> > Thanks Noel.
> > 
> > I restarted with chroot disabled and problem went away.  
> > 
> > Unsure what's missing in chroot: I am using postfix 3.1.8-0+deb9u1  from Debian \
> > repos.  Is there a guide to putting the missing config in? 
> > 
> > 
> > 
> > > On 27 Jun 2018, at 21:52, Noel Jones <njones@megan.vbhcs.org> wrote:
> > > 
> > > On 6/27/2018 2:45 PM, Sophie Loewenthal wrote:
> > > > Hi,
> > > > 
> > > > I don't believe my Postfix install is doing the PTR lookups, or it broke in \
> > > > some way.   
> > > > I have this enabled: 
> > > > # postconf |grep smtpd_peername_lookup
> > > > smtpd_peername_lookup = yes
> > > > 
> > > > and my DNS can resolve the name:
> > > > # host 168.100.1.3
> > > > 3.1.100.168.in-addr.arpa domain name pointer camomile.cloud9.net.
> > > > 
> > > > But the headers give unknown:
> > > > Received: from camomile.cloud9.net (unknown [168.100.1.3])
> > > > 	by mx10.example.com (Postfix) with ESMTPS id BA9143C
> > > > 	for <user@example.com>; Wed, 27 Jun 2018 15:48:44 +0000 (UTC)
> > > > 
> > > > 
> > > > How could I debug/enable this? What was missed in the config.
> > > > 
> > > > Many thanks, S.
> > > > 
> > > > 
> > > > 
> > > > 
> > > 
> > > 
> > > This is often from running smtpd in an incomplete chroot environment.
> > > 
> > > To test, turn off the chroot flag in master.cf, and restart postfix.
> > > If that fixes the problem, then you're missing some files in your
> > > chroot.
> > > 
> > > http://www.postfix.org/DEBUG_README.html#no_chroot
> > > 
> > > 
> > > -- Noel Jones
> > 
> 


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