Mail delivery failed: returning message to sender

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ram sardar

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Dec 2, 2011, 6:54:21 AM12/2/11

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hi expert's,

i have facing some problem in my exim mail server
i have a multiple domain in my company and my mail server work properlly but when i am sending mail to craigslist.org so i got errore
Mail delivery failed: returning message to sender

-----Original Message-----
From: Mail Delivery System [mailto:Mailer...@mail.versatilesolution.in]
Sent: Friday, December 02, 2011 12:31 PM
To: abc@mydomain.com
Subject: Mail delivery failed: returning message to sender

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:

job-dffnz-...@craigslist.org
    SMTP error from remote mail server after RCPT
TO:<job-dffnz-...@craigslist.org>:
    host mxi5f.craigslist.org [208.82.238.84]: 554 5.7.1
<unknown[202.131.112.69]>:
    Client host rejected:
rDNS/DNS_validation_failed._Please_setup_matching_DNS_and_rDNS_records:_http
://www.craigslist.org/about/help/rdns_failure xabd-4

------ This is a copy of the message, including all the headers. ------

Return-path: <abc@mydomain.com>
Received: from [1.1.1.1 MYIP] (helo=Comp22)
        by mail.versatilesolution.in with esmtpa (Exim 4.69)
        (envelope-from <abc@mydomain.com>)
        id 1RWN6p-0006Ga-Tt
        for job-dffnz-...@craigslist.org; Fri, 02 Dec 2011 12:30:35
+0530
From: "Ashish at ASIT" <abc@mydomain.com>
To: <job-dffnz-...@craigslist.org>
Subject: TESt
Date: Fri, 2 Dec 2011 12:26:46 +0530
Message-ID: <02be01ccb0bf$8e9da540$abd8efc0$@com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
        boundary="----=_NextPart_000_02BF_01CCB0ED.A855E140"
X-Mailer: Microsoft Office Outlook 12.0
thread-index: Acywv4wZ1pw9Xim3QBefk0H1HYyE+A==
Content-Language: en-us
x-cr-hashedpuzzle: FYc= A7IT BKrs DhDi EZ/Q FV9S FY8J F3+f HJKo IFT6 JiXV
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02 Dec 2011 06:56:42 GMT;VABFAFMAdAA=
x-cr-puzzleid: {BB831F45-DE89-4609-B222-A2AA66E8547C}

This is a multipart message in MIME format.

------=_NextPart_000_02BF_01CCB0ED.A855E140
Content-Type: text/plain;
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Content-Transfer-Encoding: 7bit

------=_NextPart_000_02BF_01CCB0ED.A855E140
Content-Type: text/html;
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Content-Transfer-Encoding: quoted-printable

<html xmlns:v=3D"urn:schemas-microsoft-com:vml" =
xmlns:o=3D"urn:schemas-microsoft-com:office:office" =
xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:x=3D"urn:schemas-microsoft-com:office:excel" =
xmlns:p=3D"urn:schemas-microsoft-com:office:powerpoint" =
xmlns:a=3D"urn:schemas-microsoft-com:office:access" =
xmlns:dt=3D"uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" =
xmlns:s=3D"uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" =
xmlns:rs=3D"urn:schemas-microsoft-com:rowset" xmlns:z=3D"#RowsetSchema" =
xmlns:b=3D"urn:schemas-microsoft-com:office:publisher" =
xmlns:ss=3D"urn:schemas-microsoft-com:office:spreadsheet" =
xmlns:c=3D"urn:schemas-microsoft-com:office:component:spreadsheet" =
xmlns:odc=3D"urn:schemas-microsoft-com:office:odc" =
xmlns:oa=3D"urn:schemas-microsoft-com:office:activation" =
xmlns:html=3D"http://www.w3.org/TR/REC-html40" =
xmlns:q=3D"http://schemas.xmlsoap.org/soap/envelope/" =
xmlns:rtc=3D"http://microsoft.com/officenet/conferencing" =
xmlns:D=3D"DAV:" xmlns:Repl=3D"http://schemas.microsoft.com/repl/" =
xmlns:mt=3D"http://schemas.microsoft.com/sharepoint/soap/meetings/" =
xmlns:x2=3D"http://schemas.microsoft.com/office/excel/2003/xml" =
xmlns:ppda=3D"http://www.passport.com/NameSpace.xsd" =
xmlns:ois=3D"http://schemas.microsoft.com/sharepoint/soap/ois/" =
xmlns:dir=3D"http://schemas.microsoft.com/sharepoint/soap/directory/" =
xmlns:ds=3D"http://www.w3.org/2000/09/xmldsig#" =
xmlns:dsp=3D"http://schemas.microsoft.com/sharepoint/dsp" =
xmlns:udc=3D"http://schemas.microsoft.com/data/udc" =
xmlns:xsd=3D"http://www.w3.org/2001/XMLSchema" =
xmlns:sub=3D"
xmlns:ec=3D"http://www.w3.org/2001/04/xmlenc#" =
xmlns:sp=3D"http://schemas.microsoft.com/sharepoint/" =
xmlns:sps=3D"http://schemas.microsoft.com/sharepoint/soap/" =
xmlns:xsi=3D"http://www.w3.org/2001/XMLSchema-instance" =
xmlns:udcs=3D"http://schemas.microsoft.com/data/udc/soap" =
xmlns:udcxf=3D"http://schemas.microsoft.com/data/udc/xmlfile" =
xmlns:udcp2p=3D"http://schemas.microsoft.com/data/udc/parttopart" =
xmlns:wf=3D"http://schemas.microsoft.com/sharepoint/soap/workflow/" =
xmlns:dsss=3D"http://schemas.microsoft.com/office/2006/digsig-setup" =
xmlns:dssi=3D"http://schemas.microsoft.com/office/2006/digsig" =
xmlns:mdssi=3D"http://schemas.openxmlformats.org/package/2006/digital-sig=
nature" =
xmlns:mver=3D"http://schemas.openxmlformats.org/markup-compatibility/2006=
" xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" =
xmlns:mrels=3D"http://schemas.openxmlformats.org/package/2006/relationshi=
ps" xmlns:spwp=3D"http://microsoft.com/sharepoint/webpartpages" =
xmlns:ex12t=3D"
=
xmlns:ex12m=3D"http://schemas.microsoft.com/exchange/services/2006/messag=
es" =
xmlns:pptsl=3D"http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/=
" =
xmlns:spsl=3D"http://microsoft.com/webservices/SharePointPortalServer/Pub=
lishedLinksService" xmlns:Z=3D"urn:schemas-microsoft-com:" =
xmlns:st=3D"" xmlns=3D"http://www.w3.org/TR/REC-html40">

<head>
<meta http-equiv=3DContent-Type content=3D"text/html; =
charset=3Dus-ascii">
<meta name=3DGenerator content=3D"Microsoft Word 12 (filtered medium)">
<style>

</style>

</head>

<body lang=3DEN-US link=3Dblue vlink=3Dpurple>

<div class=3DSection1>

<p class=3DMsoNormal><o:p> </o:p></p>

<p class=3DMsoNormal><o:p> </o:p></p>

<p class=3DMsoNormal><o:p> </o:p></p>

</div>

</body>

</html>

------=_NextPart_000_02BF_01CCB0ED.A855E140--

Thanks In Advance

Ram

Arun Pal

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Dec 7, 2011, 12:48:08 AM12/7/11

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Dear,

Very clear in the log

Client host rejected:
rDNS/DNS_validation_failed._Please_setup_matching_DNS_and_rDNS_records:_http

://www.craigslist.org/about/help/rdns_failure xabd-4 it shows that your return DNS is not working properly, You can check it with so many online tools available. regards Arun Pal

Ram

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ElectroMech

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Dec 8, 2011, 8:50:26 AM12/8/11

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Hi,

On Fri, Dec 2, 2011 at 5:24 PM, ram sardar <ramsar...@gmail.com> wrote:

hi expert's,

i have facing some problem in my exim mail server
i have a multiple domain in my company and my mail server work properlly but when i am sending mail to craigslist.org so i got errore
Mail delivery failed: returning message to sender

Following test indicates that there is no reverse DNS record so it was rejected.

"craigslist.org" mail server is using some filter rules based on rDNS and rejecting it.

[dhawal@development ~]$ dig mail.versatilesolution.in

; <<>> DiG 9.7.2-P2-RedHat-9.7.2-2.P2.fc14 <<>> mail.versatilesolution.in
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44927
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;mail.versatilesolution.in.   IN   A

;; ANSWER SECTION:
mail.versatilesolution.in. 14400 IN   CNAME   versatilesolution.in.
versatilesolution.in.   14400   IN   A   202.131.112.69

;; Query time: 883 msec
;; SERVER: 192.168.10.1#53(192.168.10.1)
;; WHEN: Thu Dec 8 19:15:32 2011
;; MSG SIZE rcvd: 73

[dhawal@development ~]$ dig 202.131.112.69

; <<>> DiG 9.7.2-P2-RedHat-9.7.2-2.P2.fc14 <<>> 202.131.112.69
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14974
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;202.131.112.69.           IN   A

;; AUTHORITY SECTION:
.           10800   IN   SOA   a.root-servers.net. nstld.verisign-grs.com. 2011120800 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 192.168.10.1#53(192.168.10.1)
;; WHEN: Thu Dec 8 19:15:53 2011
;; MSG SIZE rcvd: 107

Please check and correct it.

If you have lease line then mostly rDNS should be setup by your ISP. (You need to request to ISP to setup rDNS.)

Thanks.

--

--
Nilesh Vaghela
(RHCSA RHCE)
ElectroMech Corporation
Redhat Channel Partner and Training Partner
404, Maulik arcade, Above Karnavati Pagarakha Bazar,
Nr. Mansi cross Road,
Satellite Rd, Ahmedabad
25, The Emperor, Fatehgunj, Baroda.
www.electromech.info

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