Re: [Exim] "Unrouteable address" : what does this mean?

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Author: Rory Campbell-Lange
Date:  
To: John Dalbec
CC: exim-users
Subject: Re: [Exim] "Unrouteable address" : what does this mean?
Thanks very much indeed for your reply, John. Sorry about the delay in
reqplying.

On 23/01/04, John Dalbec (jpdalbec@???) wrote:
>
>
> Rory Campbell-Lange wrote:
> >I have see a number of "Unrouteable address" messages that quickly
> >bounce mail emanating from our network back to the sender.
> >
> >Queries:
> >         a. Does 'Unrouteable' here mean there is no route configured,
> >            or that something like a DNS error occurred?

>
> 'Unrouteable' means that none of the Exim routers in your configure file
> accepted the address. I suppose it could have been a temporary DNS problem.
> What does 'exim -d -bt sender.m@???' say?


Output below...
I think it is a DNS problem, since resolved. I probably need to setup
bind9 on the mail server...

> >         b. I just don't know where 'dip.t-dialin.net' comes from!

>
> That depends on your configuration. It could come from an explicit
> host name in your configure file, an entry in a file referenced in a
> host list, or possibly even a HELO name. Do you have
> helo_verify_hosts or helo_try_verify_hosts set?


Aah. Thanks a lot. Its coming from a host listed in a host list. Thanks
very much for the tip.


Exim version 4.30 uid=0 gid=0 pid=2384 D=fbb95cfd
Berkeley DB: Sleepycat Software: Berkeley DB 3.2.9: (June 16, 2003)
Support for: iconv() IPv6 PAM Perl GnuTLS
Lookups: lsearch wildlsearch nwildlsearch cdb dbm dmbnz dnsdb dsearch ldap ldapdn ldapm mysql nis nis0 passwd pgsql
Authenticators: cram_md5 plaintext spa
Routers: accept dnslookup ipliteral iplookup manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore/mbx autoreply lmtp pipe smtp
Fixed never_users: 0
changed uid/gid: forcing real = effective
uid=0 gid=0 pid=2384
auxiliary group list: <none>
configuration file is /var/lib/exim4/config.autogenerated
log selector = 040d99d8
Reset TZ to NULL: time is 2004-01-27 12:15:15
trusted user
admin user
user name "root" extracted from gecos field "root"
originator: uid=0 gid=0 login=root name=root
sender address = root@???
Address testing: uid=0 gid=105 euid=0 egid=105
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Testing sender.m@???
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Considering sender.m@???
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

routing sender.m@???
--------> dnslookup_relay_to_domains router <--------
local_part=sender.m domain=burohappold.com
checking domains
burohappold.com in "@:campbell-lange.net:localhost:roz.campbell-lange.net"? no (end of list)
burohappold.com in ""? no (end of list)
burohappold.com in "! +local_domains : +relay_to_domains"? no (end of list)
dnslookup_relay_to_domains router skipped: domains mismatch
--------> dnslookup router <--------
local_part=sender.m domain=burohappold.com
checking domains
cached no match for +local_domains
cached lookup data = NULL
burohappold.com in "! +local_domains"? yes (end of list)
calling dnslookup router
dnslookup router called for sender.m@???
domain = burohappold.com
DNS lookup of burohappold.com (MX) succeeded
212.58.37.101 in "0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16"? no (end of list)
154.32.105.132 in "0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16"? no (end of list)
154.32.107.132 in "0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16"? no (end of list)
fully qualified name = burohappold.com
host_find_bydns yield = HOST_FOUND (2); returned hosts:
mail.burohappold.com 212.58.37.101 5
mx2.mail.uk.psi.net 154.32.107.132 20
mx1.mail.uk.psi.net 154.32.105.132 20
set transport remote_smtp
queued for remote_smtp transport: local_part = sender.m
domain = burohappold.com
errors_to=NULL
domain_data=NULL localpart_data=NULL
routed by dnslookup router
envelope to: sender.m@???
transport: remote_smtp
host mail.burohappold.com [212.58.37.101] MX=5
host mx2.mail.uk.psi.net [154.32.107.132] MX=20
host mx1.mail.uk.psi.net [154.32.105.132] MX=20
search_tidyup called
>>>>>>>>>>>>>>>> Exim pid=2384 terminating with rc=0 >>>>>>>>>>>>>>>>

sender.m@???
router = dnslookup, transport = remote_smtp
host mail.burohappold.com [212.58.37.101] MX=5
host mx2.mail.uk.psi.net [154.32.107.132] MX=20
host mx1.mail.uk.psi.net [154.32.105.132] MX=20

--
Rory Campbell-Lange
<rory@???>
<www.campbell-lange.net>