Bug#271564: Fwd: Mail delivery failed: returning message to sender

[Mike Mestnik]

--- Andreas Metzler <ametzler@downhill.at.eu.org> wrote:

> On 2004-09-15 Mike Mestnik <cheako911@yahoo.com> wrote:
> [...]
> > > cheako@filbert.is-a-geek.org
> > R: dnslookup_relay_to_domains for cheako@filbert.is-a-geek.org
> > cheako@filbert.is-a-geek.org is undeliverable:
> >   Unrouteable address
> 
> > Here is what I get from DNS...
> > train:~# host -t MX filbert.is-a-geek.org
> > Host filbert.is-a-geek.org not found: 3(NXDOMAIN)
> > train:~# host filbert.is-a-geek.org
> > filbert.is-a-geek.org has address 10.0.0.20
> [...]
> 
> Hello,
> 10.0.0.0/8 is private address-space and exim is configured to ignore
> it by default, these quotes from #270748 should explain why:
> 
> | It does so to avoid delivering e-mail to misconfigured domains to the
> | wrong place.
> 
> and
> 
> | To elaborate a little bit more: This is also very useful for working
> | sender verification. - It is a rather common way to disable e-mail
> | delivery for domains by having an A-record pointing to private address
> | space. If ignore_target_host is not set exim will happily accept mail
> | with 'mail from: x@thisbrokendomain' but a bounce-message (if one was
> | generated) could not be delivered (no root to host) and would be
> | frozen, stuck in the queue. 
> 
> Remove 10.0.0.0/8 from ignore_target_hosts and you are set.
>               cu andreas
I don't think this is the default, as once I put "selfmx" in my
dnsmasq.conf every thing stated to work.  Are you saying only faulty A
records or did you mean MX as well?

I'm cutrrently looking into running debsums to varify what confs I have
changed.

> -- 
> "See, I told you they'd listen to Reason," [SPOILER] Svfurlr fnlf,
> fuhggvat qbja gur juveyvat tha.
> Neal Stephenson in "Snow Crash"
> 



		
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