Re: [exim] Weird error showing up in mainlog

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著者: The Doctor
日付:  
To: Jeremy Harris
CC: exim-users
題目: Re: [exim] Weird error showing up in mainlog
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@??? ?

> --
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> ## Exim details at http://www.exim.org/
> ## Please use the Wiki with this list - http://wiki.exim.org/


--
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