[exim] Mail Looping

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Author: Graham Dodd
Date:  
To: exim-users
Subject: [exim] Mail Looping
Hello exim-users,

I would appreciate it if the exim experts can look at the enclosed snippit of logfile and help me figure out why we are stuck in a mail loop.

What I have understood from the mail log

User sent email to a number of addresses both local and remote, according to logfile all were either delivered or accepted for delivery
(MsgId: 1C5eRC-0006Xb-UZ)

A reject was received from the .cz postmaster and delivered locally
(MsgId: 1C5eRq-0006Xx-BW)

A connection is made from [194.78.218.254] to send the message to all addresses (MsgId: 1C5eTT-0006Y8-4m)

Why did (and is still sending) skynet.be resend this message again ?

How is it sending this message again through me.

I ran a relay test (www.abuse.net) which indicates that I do not relay

Sorry for the long email, but this is the second time this has happened and last time we managed to take down 7 mail servers

thank you for any help / ideas

Graham

----------- Logfile -------------------------------------------------
2004-09-10 07:59:11 1C5eRC-0006Xb-UZ <= s.ross@??? H=w0021f8.intranet.my-domain.de (falk7aae0v9cyy) [192.168.1.86]:1048 I=[10.7.18.1]:25 P=asmtp A=logi
n:ross@??? S=2177 id=ACEELAIPDNEHIABIAAJBIEAFCOAA.s.ross@??? T="AW: BELL DELIVERY DATES" from <s.ross@???> for a.grabowski@my-domain.
de neil7100@??? b.kutien@??? a.sponhauer@??? p.becker@??? didier@??? cs@??? p.golajewski@??? petsn.@tig
er-team.cz
2004-09-10 07:59:11 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1C5eRC-0006Xb-UZ
2004-09-10 07:59:11 SMTP connection from w0021f8.intranet.my-domain.de (falk7aae0v9cyy) [192.168.1.86]:1048 closed by QUIT
2004-09-10 07:59:12 1C5eRC-0006Xb-UZ => graboa_my-domain_de <a.grabowski@???> F=<s.ross@???> R=router_cyrus T=transport_cyrus S=2390
2004-09-10 07:59:12 1C5eRC-0006Xb-UZ => kutieb_my-domain_de <b.kutien@???> F=<s.ross@???> R=router_cyrus T=transport_cyrus S=2384
2004-09-10 07:59:12 1C5eRC-0006Xb-UZ => sponha_my-domain_de <a.sponhauer@???> F=<s.ross@???> R=router_cyrus T=transport_cyrus S=2390
2004-09-10 07:59:13 1C5eRC-0006Xb-UZ => beckep_my-domain_de <p.becker@???> F=<s.ross@???> R=router_cyrus T=transport_cyrus S=2384
2004-09-10 07:59:13 1C5eRC-0006Xb-UZ => didier@??? F=<s.ross@???> R=lookuphost T=remote_smtp S=2251 H=in.mx.skynet.be [195.238.3.129] C="250 2.0
.0 i8A6D5Qj025526 Message accepted for delivery"
2004-09-10 07:59:14 1C5eRC-0006Xb-UZ => cs@??? F=<s.ross@???> R=lookuphost T=remote_smtp S=2251 H=mail1.hdweb.dk [81.7.130.231] C="250 ok 1094
796786 qp 27722"
2004-09-10 07:59:14 1C5eRC-0006Xb-UZ => p.golajewski@??? F=<s.ross@???> R=lookuphost T=remote_smtp S=2251 H=my-domain.pl [195.149.226.32] C="2
50 ok 1094796787 qp 30531"
2004-09-10 07:59:20 1C5eRC-0006Xb-UZ => petsn.@tiger-team.cz F=<s.ross@???> R=lookuphost T=remote_smtp S=2251 H=large.di.cz [213.151.85.130] C="250 2.0
.0 i8A6DnN14559 Message accepted for delivery"

2004-09-10 07:59:49 SMTP connection from [213.151.85.252]:57102 (TCP/IP connection count = 1)
2004-09-10 07:59:54 1C5eRq-0006Xx-BW <= postmaster@??? H=colek.di.cz (ovce.di.cz) [213.151.85.252]:57102 I=[10.7.18.1]:25 P=esmtp X=TLSv1:DES-CBC3-SHA:
168 S=6313 id=1275D39B62EE@??? T="Delivery failure notification" from <postmaster@???> for s.ross@???
2004-09-10 07:59:54 SMTP connection from colek.di.cz (ovce.di.cz) [213.151.85.252]:57102 closed by QUIT
2004-09-10 07:59:54 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1C5eRq-0006Xx-BW
2004-09-10 07:59:55 1C5eRq-0006Xx-BW => ross_my-domain_de <s.ross@???> F=<postmaster@???> R=router_cyrus T=transport_cyrus S=6518
2004-09-10 07:59:55 1C5eRq-0006Xx-BW Completed


2004-09-10 08:01:12 1C5eRC-0006Xb-UZ => neil7100@??? F=<s.ross@???> R=lookuphost T=remote_smtp S=2251 H=mx.terra.es [213.4.129.130] C="250 2.5.0 O
k."
2004-09-10 08:01:12 1C5eRC-0006Xb-UZ Completed


2004-09-10 08:01:30 SMTP connection from [194.78.218.254]:21222 (TCP/IP connection count = 1)
2004-09-10 08:01:32 1C5eTT-0006Y8-4m <= s.ross@??? H=194-78-218-254.pro.turboline.skynet.be (spirit.local) [194.78.218.254]:21222 I=[10.7.18.1]:25 P=es
mtp S=3520 id=000001c496fd$97d49440$6400000a@??? T="AW: BELL DELIVERY DATES" from <s.ross@???> for a.grabowski@??? b.kutien@my-domain
.de a.sponhauer@??? p.becker@???


----------------- End of logfile ---------------------------------------

--
Graham K. Dodd
Director of Operations
Falk & Ross GmbH
Tel: 06301 717 0