[Pkg-exim4-users] After upgrading to exim4 messages are frozen, "remote host address is the local host"

[Marc Haber]

Hi Matthew,

On Mon, Mar 07, 2005 at 02:53:11PM +0100, Matthew Exon wrote:
> I'm running Debian unstable, and I decided I wanted to upgrade to exim4. 
>  When I did so, I found that all mail, both from on the host itself and 
> from the wider internet, wasn't being delivered any more.  A typical 
> message (this one happened to be a test mail I sent to myself on the 
> server machine itself) produces this log file:
> 
> 2005-03-07 11:00:05 Received from <username>@exon.dyndns.org 
> U=<username> P=local S=335
> 2005-03-07 11:00:05 <username>@exon.dyndns.org R=dnslookup defer (-1): 
> remote host address is the local host
> *** Frozen
> 
> When I asked about this on the exim support list, I was told that I must 
> have misconfigured my machine's local mail domains.  I don't really 
> understand that, but it sounds like the debconf question that asked me 
> which domains should be considered local.  I entered "exon.dyndns.org" 
> and another host, "aeon.exon.dyndns.org", as local domains, so that 
> sounds right to me.  I'm at a loss what else I've done wrong.

What does "exim -d -bt <username>@exon.dyndns.org" say?


> However, this talk of DNS lookups does remind me that there's weird 
> behaviour on my machine, in that all invalid domains seem to resolve to 
> my own machine:
> 
> charly:~# ping blah.org
> PING exon.dyndns.org (82.135.65.152): 56 data bytes
> 64 bytes from 82.135.65.152: icmp_seq=0 ttl=64 time=0.9 ms
> 
> I've never understood why that happens, or even been sure it wasn't a 
> "feature".  So possibly it's the DNS or IP masquerading systems that are 
> at fault.

That sounds odd.

> So I'm trying to migrate to maildir.  But that doesn't seem to be 
> trivial under Debian, and if I'm going to get any support from the exim 
> mailing list, I'm told I need to be on exim4.  Hence the upgrade.

It is quite easy to do with exim 3 if one knows a little bit about
exim configuration. And it is even easier do to with exim 4, because
it is documented how to do this in
/usr/share/doc/exim4-base/README.Debian.gz

Greetings
Marc

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