Email bouncing back

All the mails sent to this particular user is bouncing back but I am recieving mails from this user.


From: MicrosoftExchange329e71ec88ae4615bbc36ab6ce41109e@uopkt.com [mailto:MicrosoftExchange329e71ec88ae4615bbc36ab6ce41109e@uopkt.com]
Sent: Tuesday, May 05, 2009 9:33 AM
To: Ashok Kumar
Subject: Undeliverable: Saudi Maintenance Projects


Delivery has failed to these recipients or distribution lists:

hoad@uic.com
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.

The following organization rejected your message: gmail.sps.net.sa.

  _____  

Sent by Microsoft Exchange Server 2007


Your help is highly appreciated.
Thanks
MAS
LVL 29
MAS (MVE)Technical Department HeadAsked:
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abhaighConnect With a Mentor Commented:
from my gmail address - the user is unknown at this domain - you have the wrong address

case closed

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This is an automatically generated Delivery Status Notification

Delivery to the following recipient failed permanently:

    hoad@uicpaint.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.1.1 <hoad@uicpaint.com> User unknown; rejecting (state 14).

  ----- Original message -----

MIME-Version: 1.0
Received: by 10.86.23.20 with SMTP id 20mr1040495fgw.49.1242212107393; Wed, 13
       May 2009 03:55:07 -0700 (PDT)
Date: Wed, 13 May 2009 11:55:07 +0100
Message-ID: <22b71de10905130355h1c5cbe6bye71910278d682b9f@mail.gmail.com>
Subject: testing - ignore
From: me <my_name@gmail.com>
To: hoad@uicpaint.com
Content-Type: multipart/alternative; boundary=000e0cd29f7c661f200469c90b38

--000e0cd29f7c661f200469c90b38
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

ignore

--000e0cd29f7c661f200469c90b38
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit


  ----- Message truncated -----
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Rajith EnchiparambilOffice 365 & Exchange ArchitectCommented:
What if you reply to one of his emails? Are you sending the email just to this user?
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MAS (MVE)Technical Department HeadAuthor Commented:
It is the same when I reply to his mail.

Thanks
MAS
0
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MAS (MVE)Technical Department HeadAuthor Commented:
Yes I am sending reply just to this user.

Thanks
MAS
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Rajith EnchiparambilOffice 365 & Exchange ArchitectCommented:
Is this internal user?
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abhaighCommented:
The email address on the envelope is incorrect - contact the person and obtain the correct address
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MAS (MVE)Technical Department HeadAuthor Commented:
No it is an external user.

Thanks
MAS
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MAS (MVE)Technical Department HeadAuthor Commented:
The email address is correct we are recieving mails from him.
We are not able to reply to it.

Thanks
MAS
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Dave_Angel_PortsmouthCommented:
You are unable to reply to his reply to address. A user can have a different reply to address - i've seen that before.

To confirm, are you able to send emails to that address via another email system, such as hotmail?
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Dave_Angel_PortsmouthCommented:
You are unable to reply to his reply to address. A user can have a different reply to address - i've seen that before.

To confirm, are you able to send emails to that address via another email system, such as hotmail?
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MAS (MVE)Technical Department HeadAuthor Commented:
Yes
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MAS (MVE)Technical Department HeadAuthor Commented:
hotmail and yahoo is working fine. for the time being they are sending mails through yahoo
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Dave_Angel_PortsmouthCommented:
Can you check to see if your domain is on any RBLs?

Try this web form...
http://www.dnsbl.info/
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abhaighCommented:
this "The recipient's e-mail address was not found in the recipient's e-mail system" indicates a problem with the address you are sending to

try this - delete the .rk2 file on a problematic machine and try send again (this file holds the cached addressing information - it is possible that you have outdated information in the address cache)
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MAS (MVE)Technical Department HeadAuthor Commented:
I checked IP it is not listed in that.

Thnaks
MAS
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MAS (MVE)Technical Department HeadAuthor Commented:
Any solutions. Your help is highly appreciated.

Thanks
MAS
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abhaighCommented:
"The recipient's e-mail address was not found in the recipient's e-mail system"

the address does not exist on the system

testing the address via http://www.wormly.com/test_smtp_server
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Resolving hostname...
Connecting...
SMTP -> FROM SERVER:
220 uicmail.uic.com ESMTP (68cae3965c40fae26d75e0cfe1c96519)
SMTP -> FROM SERVER:
250-uicmail.uic.com Hello clover.wormly.com [66.228.123.50], pleased to meet you
250-PIPELINING
250-SIZE 25000000
250-8BITMIME
250 HELP
MAIL FROM: god@heaven.com
SMTP -> FROM SERVER:
250 Ok
RCPT TO: hoad@uic.com
SMTP -> FROM SERVER:
550 No such user (hoad@uic.com)
SMTP -> ERROR: RCPT not accepted from server: 550 No such user (hoad@uic.com)

Message sending failed.
¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬

the address does not exist on that system - 'nuff said

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abhaighCommented:
time to get on the phone and get the correct address
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MAS (MVE)Technical Department HeadAuthor Commented:
I am sorry , email address is *@uicpaint.com,
I tried with the link above, see below for the result.


Resolving hostname...
Connecting...
SMTP -> FROM SERVER:
220-gmail.sps.net.sa ESMTP Gmail; Mon, 11 May 2009 14:38:29 +0300
220 Welcome to SPSNET Corporate Mail-Server All Connections are logged!
SMTP -> FROM SERVER:
250-gmail.sps.net.sa Hello www.wormly.com [66.228.123.50], pleased to meet you.
250-ENHANCEDSTATUSCODES
250-SIZE
250-EXPN
250-ETRN
250-ATRN
250-DSN
250-CHECKPOINT
250-8BITMIME
250-AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN
250-AUTH=LOGIN
250-STARTTLS
250 HELP
MAIL FROM: mohdasif@uopkt.com
SMTP -> FROM SERVER:
SMTP -> ERROR: MAIL not accepted from server:
RCPT TO: hoad@uicpaint.com
SMTP -> FROM SERVER:
SMTP -> ERROR: RCPT not accepted from server:
Message sending failed.

Thanks
MAS
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MAS (MVE)Technical Department HeadAuthor Commented:
Any comments ???

Awaiting your valuable reply.

MAS
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abhaighCommented:
I've tried telnetting to port 25 of this machine and it is refusing to accept the basic helo or ehlo commands

in fact it is not accepting any comands at all

there is something wrong at their end
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MAS (MVE)Technical Department HeadAuthor Commented:
But I tried telneting port 25, see the attachment for the output.
I could not make out the issue.

Thanks
MAS
telnet.jpg
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abhaighCommented:
I got that far myself

now try issuing a helo or ehlo command to that machine - simply being able to connect and get the esmtp header isn't enough of a diagnostic

when I tried this morning it was giving me errors after every keystroke - it wasn't waiting for a carriage return
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MAS (MVE)Technical Department HeadAuthor Commented:
I am sorry
What is the command to issue a ehlo command.

MAS
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abhaighCommented:
ehlo
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abhaighCommented:
to clarify - a properly running smtp server will answer to either helo or ehlo after producing the smtp or esmtp header with helo %your_domain_name_here%

it will look like this

220 MX.domain.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959
ready at  Wed, 13 May 2009 10:27:11 +0100
helo
250 MX.domain.com Hello [your_domain_or_ip]

or

220 MX.domain.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959
ready at  Wed, 13 May 2009 10:27:11 +0100
ehlo
250 MX.domain.com Hello [your_domain_or_ip]
250-TURN
250-SIZE
250-ETRN
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-8bitmime
250-BINARYMIME
250-CHUNKING
250-VRFY
250-X-EXPS GSSAPI NTLM LOGIN
250-X-EXPS=LOGIN
250-AUTH GSSAPI NTLM LOGIN
250-AUTH=LOGIN
250-X-LINK2STATE
250-XEXCH50
250 OK

anything other than this indicates a problem at the receiver's end
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MAS (MVE)Technical Department HeadAuthor Commented:
ehlo ?

ehlo mail.domain.com or ehlo.domian.com

MAS

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abhaighCommented:
just ehlo or helo
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MAS (MVE)Technical Department HeadAuthor Commented:
in command prompt it is showing 'ehlo is not  recong as internal or external command'

MAS
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abhaighCommented:
then you have discovered what I have been telling you - the problem lies at the receiver's end
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abhaighCommented:
try helo - you will receive the same responce
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MAS (MVE)Technical Department HeadAuthor Commented:
I tried ehlo, see the attachment for the output.

MAS


telnet2.jpg
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abhaighCommented:
then there is something problematic between my location and .sa - I cannot get their system to respond to my like that at all - everything I see points to a problem at their end

can you do a RCPT TO: hoad@uicpaint.com from the telnet session?
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MAS (MVE)Technical Department HeadAuthor Commented:
What is the command to do that .
I appreciate your help.

MAS
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abhaighCommented:
RCPT TO:
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MAS (MVE)Technical Department HeadAuthor Commented:
RCPT TO:
RCPT TO:hoad@uicpaint.com

Both showing 'Incorrect command sequence'.
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abhaighCommented:
you forgot the space between the : and address
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MAS (MVE)Technical Department HeadAuthor Commented:
It is the same error for the command
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MAS (MVE)Technical Department HeadAuthor Commented:
see the attachment
telnet3.jpg
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abhaighCommented:
of course that will fail

the correct command is RCPT TO: some@email.address
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