Re: [exim] Weird error showing up in mainlog

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Συντάκτης: The Doctor
Ημερομηνία:  
Προς: Jeremy Harris
Υ/ο: exim-users
Αντικείμενο: Re: [exim] Weird error showing up in mainlog
On Fri, Nov 24, 2017 at 07:03:03AM -0700, The Doctor wrote:
> On Fri, Nov 24, 2017 at 10:18:29AM +0000, Jeremy Harris wrote:
> > On 24/11/17 03:30, The Doctor wrote:
> > > 2017-11-23 13:00:00 1eHxbt-0008Sf-2W ** {legit e-mail address} R=dnslookup T=remote_smtp H=doctor.nl2k.ab.ca [204.209.81.1] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no: SMTP error from remote mail server after pipelined MAIL FROM:<root> SIZE=13880523: 501 <root>: sender address must contain a domain
> > >
> > > What is happening?
> >
> > A remote system that you are trying to send a mail to, is rejecting that
> > message. The tail end of that log line, starting "501", is what they
> > said.
> >
> > My interpretation of what they said is that they don't like one of
> > - the envelope from
> > - the header From: (or possibly Sender:)
> > but you'd need to verify their policies by asking them.
> > --
> > Jeremy
> >
>
>
> Al right subsequent discoveries of followups of the symptoms were ignored.
>
> Let me describe step by step what is happening.
>
> 1) In order to bypass the annoying on behalf of header placed by
> exim
>
> no_local_from_check
> untrusted_set_sender = *
>
> 2)
>
> REmote non-LAN users can use either PLAIN or LOGIN without on the behalf of
> and send through and is logged accordingly
>
> UNLESS
>
> 3)
>
> you show up as info@??? then instead of info@???
> something in exim says you are "root" without any domain and
>
> the info account trying to pass an e-mail gets
>
> This message was created automatically by mail delivery software.
>
> A message that you sent could not be delivered to one or more of its
> recipients. This is a permanent error. The following address(es) failed:
>
> i)
> intended recipient @ whereever
> host doctor.nl2k.ab.ca [204.209.81.1]
> SMTP error from remote mail server after pipelined MAIL FROM:<root> SIZE=26833:
> 501 <root>: sender address must contain a domain
>
> ii)
>
>
> smiro@???
> host ma1-aaemail-dr-lapp03.apple.com [17.171.2.72]
> SMTP error from remote mail server after pipelined MAIL FROM:<root>:
> 553 5.1.7 <root>... Domain name required for sender address root
>
> iii)
>
>
> info@???
> host doctor.nl2k.ab.ca [204.209.81.1]
> SMTP error from remote mail server after pipelined MAIL FROM:<root> SIZE=2890232:
> 501 <root>: sender address must contain a domain
>
> and the case of iii) was a cc to self.
>
>
> ARe you now getting this picture of a showstopper in virtual e-mail of thsoe
> using info@??? ?
>


<Snip>

Some more relevant stuff from our logs

2017-11-24 09:07:36 1eIGVs-000Ntb-OB <= info@??? H=d142-59-12
3-92.abhsia.telus.net (ImpactLaptop) [142.59.123.92] P=esmtpsa X=TLSv1.2:ECDHE-R
SA-AES256-GCM-SHA384:256 CV=no A=LOGIN:smosinfo S=149486 id=004201d3653e$5829d2b
0$087d7810$@???
2017-11-24 09:07:43 Start queue run: pid=91860
2017-11-24 09:07:46 1eIGVs-000Ntb-OB [23.103.157.10] SSL verify error: depth=1 e
rror=unable to get local issuer certificate cert=/C=US/ST=Washington/L=Redmond/O
=Microsoft Corporation/OU=Microsoft IT/CN=Microsoft IT SSL SHA2
2017-11-24 09:07:46 1eIGVs-000Ntb-OB Received TLS cert status response, itself u
nverifiable
2017-11-24 09:07:52 1eIGVs-000Ntb-OB [173.254.28.40] SSL verify error: depth=2 e
rror=unable to get local issuer certificate cert=/C=GB/ST=Greater Manchester/L=S
alford/O=COMODO CA Limited/CN=COMODO RSA Certification Authority
2017-11-24 09:07:52 1eIGVs-000Ntb-OB [173.254.28.40] SSL verify error: certificate name mismatch: DN="/OU=Domain Control Validated/OU=Hosted by Just Host/OU=PositiveSSL Wildcard/CN=*.justhost.com" H="impactofficeservices.ca"
2017-11-24 09:07:52 1eIGVs-000Ntb-OB ** dmiller@??? <Dmiller@???> R=dnslookup T=remote_smtp H=impactofficeservices.ca [173.254.28.40] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no: SMTP error from remote mail server after pipelined MAIL FROM:<root> SIZE=152662: 501 <root>: sender address must contain a domain
2017-11-24 09:07:56 1eIGVs-000Ntb-OB ** kevin.lindstrom@??? R=dnslookup T=remote_smtp H=solutionsbi-ca.mail.protection.outlook.com [23.103.157.10] X=TLSv1.2:ECDHE-RSA-AES256-SHA384:256 CV=no: SMTP error from remote mail server after pipelined sending data block: 501 5.1.7 Invalid address [QB1CAN01FT010.eop-CAN01.prod.protection.outlook.com]
2017-11-24 09:07:56 1eIGWC-000Nth-8I <= <> R=1eIGVs-000Ntb-OB U=exim P=local S=3083
2017-11-24 09:07:56 1eIGVs-000Ntb-OB Completed

Note the sender was an info@ ...


2017-11-24 08:21:06 1eIFms-000NV7-4e <= info@??? H=s0106c82a14027763.ed.shawcable.net ([192.168.1.122]) [70.74.151.156] P=esmtpsa X=TLSv1:ECDHE-RSA-AES256-SHA:256 CV=no A=PLAIN:integration S=3447 id=1D3C06A3-4C4D-4179-94CD-BB4925FF94B3@???
2017-11-24 08:21:40 Start queue run: pid=90342
2017-11-24 08:21:40 1eIFmU-000NV3-7g [204.209.81.1] SSL verify error: depth=3 error=self signed certificate in certificate chain cert=/C=US/O=The Go Daddy Group, Inc./OU=Go Daddy Class 2 Certification Authority
2017-11-24 08:21:40 1eIFmU-000NV3-7g [204.209.81.1] SSL verify error: certificate name mismatch: DN="/OU=Domain Control Validated/CN=mail.nk.ca" H="doctor.nl2k.ab.ca"
2017-11-24 08:21:42 1eIFmU-000NV3-7g => root@??? R=dnslookup T=remote_smtp H=doctor.nl2k.ab.ca [204.209.81.1] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no C="250 OK id=1eIFnR-000ANH-66"
2017-11-24 08:21:42 1eIFmU-000NV3-7g Completed
2017-11-24 08:21:42 1eIB4O-000BMZ-6h Spool file is locked (another process is handling this message)
2017-11-24 08:21:42 1eIFms-000NV7-4e H=gmail-smtp-in.l.google.com [2607:f8b0:400e:c04::1a] No route to host
2017-11-24 08:21:42 1eIFms-000NV7-4e [74.125.28.26] SSL verify error: depth=2 error=unable to get local issuer certificate cert=/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA
2017-11-24 08:21:42 1eIB4O-000BMZ-6h == root@??? R=dnslookup T=remote_smtp defer (-46) H=doctor.nl2k.ab.ca [204.209.81.1]: SMTP error from remote mail server after end of data: 451 Temporary local problem - please try later
2017-11-24 08:21:42 1eIB4O-000BMZ-6h ** root@???: retry timeout exceeded
2017-11-24 08:21:42 1eIFnS-000NVF-Vw <= <> R=1eIB4O-000BMZ-6h U=exim P=local S=1927
2017-11-24 08:21:42 1eIB4O-000BMZ-6h Completed
2017-11-24 08:21:43 1eIFms-000NV7-4e Spool file is locked (another process is handling this message)
2017-11-24 08:21:43 End queue run: pid=90305
2017-11-24 08:21:43 1eIFms-000NV7-4e ** tracypilates@??? R=dnslookup T=remote_smtp H=gmail-smtp-in.l.google.com [74.125.28.26] X=TLSv1.2:ECDHE-RSA-CHACHA20-POLY1305:256 CV=no: SMTP error from remote mail server after pipelined end of data: 553 5.1.2 The sender address <root> is not a valid RFC-5321 address. p17si18545031pgq.130 - gsmtp
2017-11-24 08:21:43 1eIFnT-000NVI-1i <= <> R=1eIFms-000NV7-4e U=exim P=local S=5022
2017-11-24 08:21:43 1eIFms-000NV7-4e Completed
2017-11-24 08:21:43 1eIFnT-000NVI-1i [204.209.81.1] SSL verify error: depth=3 error=self signed certificate in certificate chain cert=/C=US/O=The Go Daddy Group, Inc./OU=Go Daddy Class 2 Certification Authority
2017-11-24 08:21:43 1eIFnT-000NVI-1i [204.209.81.1] SSL verify error: certificate name mismatch: DN="/OU=Domain Control Validated/CN=mail.nk.ca" H="doctor.nl2k.ab.ca"
2017-11-24 08:21:55 1eIFnT-000NVI-1i => info@??? R=dnslookup T=remote_smtp H=doctor.nl2k.ab.ca [204.209.81.1] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no C="250 OK id=1eIFnT-000ANW-Aj"
2017-11-24 08:21:55 1eIFnT-000NVI-1i Completed
2017-11-24 08:21:55 End queue run: pid=90342


This is backed up by http://ns2.nk.ca/eximstats.html

Solution needed as of 2 days ago.

--
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