Re: [Exim] reading the rejectlog

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Autor: Dave C.
Fecha:  
A: Adam Henry
Cc: exim-users
Asunto: Re: [Exim] reading the rejectlog
On Mon, 17 Jun 2002, Adam Henry wrote:

> Hello everyone,
>
> I am seeking others' verification of the way I interpret the following
> rejection in my rejectlog:
>
> ------------------------------------------------------------------------------
> 2002-06-17 08:50:47 17Jvy2-0002iB-00 rejected from
> idk.carlsoncraft.com (tcmail2.tcusa.com) [198.12.16.12]: temporarily
> unable to verify sender address <Service@???> (try later)
> Recipients: ppublish@???
> P Received: from idk.carlsoncraft.com ([198.12.16.12]
> helo=tcmail2.tcusa.com)
>         by intrepid.marinar.com with esmtp (Exim 3.34 #1 (Debian))
>         id 17Jvy2-0002iB-00
>         for <ppublish@???>; Mon, 17 Jun 2002 08:50:47 -0400
> P Received: from tcexch2.taylorcorp.com (mailout.tc.inet
> [172.25.2.12])
>         by tcmail2.tcusa.com (Postfix) with ESMTP id CBA87142BF
>         for <ppublish@???>; Mon, 17 Jun 2002 08:48:24 -0400
> (EDT)
> P Received: from ccexch1.carlsoncraft.inet (ccexchange.com
> [172.25.75.30]) by tcexch2.taylorcorp.com with SMTP (Microsoft
> Exchange Internet Mail Service Version 5.5.2653.13)
>         id M8LX38GN; Mon, 17 Jun 2002 07:48:38 -0500
> P Received: by ccexch1.carlsoncraft.inet with Internet Mail Service
> (5.5.2653.19)
>         id <MXJKX8XB>; Mon, 17 Jun 2002 07:51:38 -0500
> I Message-ID:
> <B8662649CFC46E479B680DC5DF0BBBD30186F8E9@???>
> F From: "service@???" <Service@???>
> T To: 'Perfection Publishing' <ppublish@???>
>   Subject: RE: acct 158423 (HELP WITH INVITATION)
>   Date: Mon, 17 Jun 2002 07:51:37 -0500
>   MIME-Version: 1.0
>   X-Mailer: Internet Mail Service (5.5.2653.19)
>   Content-Type: text/plain;
>         charset="iso-8859-1"
> ------------------------------------------------------------------------------

>
> I notice that while the helo is sent as "tcmail2.tcusa.com", the
> IP of the sending MTA is [198.12.16.12], which reverse-resolves to
> "idk.carlsoncraft.com".


This is not relevant to why you rejected it.

>I have the following options set in
> exim.conf:
>
>     sender_verify_hosts_callback = *
>     sender_verify_callback_domains = *
>     sender_verify_hosts = *
>     sender_verify = true
>     headers_checks_fail = true

>
> What I am investigating into is which of these options prevents the
> above mail from being accepted. I also would like to know if anything
> else from the rejectlog looks out of the ordinary.




> 2002-06-17 08:50:47 17Jvy2-0002iB-00 rejected from
> idk.carlsoncraft.com (tcmail2.tcusa.com) [198.12.16.12]: temporarily
> unable to verify sender address <Service@???> (try later)


^^ This is that part that tells you why was rejected (with a 4xx temp
code, in this case)

$ dig CCeasy.com mx

;; ANSWER SECTION:
CCeasy.com.        900    IN    MX    10 imail.tcmkt.net.



$ telnet imail.tcmkt.net.
Trying 198.12.17.12...
telnet: Unable to connect to remote host: Connection refused
djc@hal ~$ telnet imail.tcmkt.net 25
Trying 198.12.17.12...
Connected to imail.tcmkt.net (198.12.17.12).
Escape character is '^]'.
220 X1 NT-ESMTP Server imail.tcmkt.net (IMail 5.05 109888-1)
helo foo
250 hello imail.tcmkt.net
mail from:<>
501 bogus mail from
rset
250 ok its reset
quit
221 Goodbye

Ahh the infamous 'reject empty mailfrom'..

This is an incorrectly configured mailer (the one at imail.tcmkt.net,
that is). Exim currently requires that the host accept a MAIL FROM: <>
when exim is doing callbacks. I've actually been discussing adding an
option to have it try an alternate address in these cases, since on an
ISP mailsystem we cant quite go to this extreme. On my personal server,
however, it would also block this message.

If you want to allow this message, you could either

1. Turn callbacks of entirely.

-or-

2. Set

sender_verify_callback_domains = ! cceasy.com : *

-or-

3. Set

sender_verify_hosts = ! 198.12.16.12 : *


Option 2 is probably the best.


>
> I appreciate all help and advise, and hope to hear from someone.
>
> cordially,
> hank
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
>
>



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