Tomer H. wrote:
> Hello again,
>
> First, a quick summary of my (Linux) testbed structure:
> eth0: 10.0.0.4 (Running a stable-configuration Exim 3)
> eth0:56: 10.0.0.60 (Exim 4 development configuration)
> As you understand, this is a single machine.
>
> The exim 4 daemon is binded to this IP only:
> 17888 local_interfaces overridden by -oX:
> 17888 <: 10.0.0.60.25
> 17888 listening on 10.0.0.60 port 25
>
> And so is the exim3, which has the following setting:
> local_interfaces = 10.0.0.4 : 10.0.0.5 : 127.0.0.1
>
> Second, I am trying to send a mail using 10.0.0.60 to 10.0.0.4
> by using an address that the domain has MX record that points to
> 10.0.0.4, this is the debug output of 10.0.0.60:
>
> 30046 test4.com in "! +local_domains"? yes (end of list)
> 30046 calling dnslookup router
> 30046 dnslookup router called for tomer@???
> 30046 domain = test4.com
> 30046 DNS lookup of test4.com (MX) succeeded
> 30046 10.0.0.4 in "0.0.0.0 : 127.0.0.0/8"? no (end of list)
> 30046 local host has lowest MX
> 30046 fully qualified name = test4.com
> 30046 host_find_bydns yield = HOST_FOUND_LOCAL (3); returned hosts:
> 30046 mx.test4.com 10.0.0.4 10
> 30046 LOG: MAIN
> 30046 lowest numbered MX record points to local host: test4.com
> 30046 dnslookup router: defer for tomer@???
> 30046 message: lowest numbered MX record points to local host
> 30046 added retry item for R:test4.com: errno=-1 0 flags=0
> 30046 post-process tomer@??? (1)
>
> My dnslookup router is pretty standard as well:
> dnslookup:
> driver = dnslookup
> domains = ! +local_domains
> transport = remote_smtp
> ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
try: ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 10.0.0.60
self = send
> no_more
self = send bypasses Exim's normal protection against single-host mail loops, so
you need to add the true local interface to ignore_target_hosts to be safe.
HTH,
John
>
> I understand why exim treats it as local of course, but is it right
> to be based on interfaces check when it been told to listen to a
> specific interface only? or have I missed something here?
> A "hosts_treat_as_remote" command would be helpful here.
>
> /- Tomer.
>
> ----------------------------------
> Tomer H. tomer@???
> IT Solutions Provider
> www.metnix.com info@???
> ----------------------------------
>
>
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>
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