Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

'no such user' sbs 2011 Exchange 2010

Posted on 2013-05-31
8
Medium Priority
?
569 Views
Last Modified: 2013-05-31
Hi All,

here's the issue I did a swing migration from sbs 2003 to sbs 2011. Exchange hosts 3 domains. All three domains were working for several days. I rebooted the server last night. Today I can email, from an external source, only two of the three. All accounts at the third domain get 'no such user' bounce back and yes, internal email is just fine.

ps: fyi I can't get vpn going (error 691) and have been in the network security policy but have, to my best knowledge, set all back to original settings. not sure if that could cause an issue but wanted to communicate it.

any answers?
0
Comment
Question by:mpasatieri
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 5
  • 3
8 Comments
 
LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39211213
What does the NDR say exactly? As it doesn't sound like an Exchange NDR.

Simon.
0
 

Author Comment

by:mpasatieri
ID: 39211231
Hi Simon. It says:

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:

  mhxxxx@domain.com (<--- I changed this value from the actual email address)
    No Such User Here
_____________________
We are running cloudmark anti-spam for exchange which is a relatively benign application.
0
 
LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39211239
That isn't an Exchange NDR.
Therefore it has come from something else.
Does Cloudmark answer the SMTP traffic? If so you should check that configuration, particularly if it does recipient validation.
If not, then check the DNS records to see if they point elsewhere as well.

It isn't Exchange rejecting the email.

Simon.
0
Ransomware: The New Cyber Threat & How to Stop It

This infographic explains ransomware, type of malware that blocks access to your files or your systems and holds them hostage until a ransom is paid. It also examines the different types of ransomware and explains what you can do to thwart this sinister online threat.  

 

Author Comment

by:mpasatieri
ID: 39211240
the rest of the error is:
_______________

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

Return-path: <mike@aocsol.com>
Received: from [72.178.116.157] (port=54413 helo=michaelpc)
      by gto.websitewelcome.com with esmtp (Exim 4.80)
      (envelope-from <mike@aocsol.com>)
      id 1UiRlG-0005px-6i
      for mhxxxx@domain.com; Fri, 31 May 2013 11:01:02 -0500
From: "Michael Pasatieri" <mike@aocsol.com>
To: "Mark Hxxx" <mhxxxx@domain.com>
Subject: test
Date: Fri, 31 May 2013 11:01:06 -0500
Message-ID: <04da01ce5e18$0ede9fa0$2c9bdee0$@aocsol.com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
      boundary="----=_NextPart_000_04DB_01CE5DEE.2608E5C0"
X-Mailer: Microsoft Outlook 14.0
Thread-Index: Ac5eGA4ksYG8lMiFSYOUO0xs5zSK1g==
Content-Language: en-us

This is a multipart message in MIME format.
0
 

Author Comment

by:mpasatieri
ID: 39211270
yes it does
0
 

Author Comment

by:mpasatieri
ID: 39211350
so what is this? (from the above header)

gto.websitewelcome.com
0
 

Author Comment

by:mpasatieri
ID: 39211379
the ext dns for the domain is hosted at register.com.
0
 
LVL 63

Accepted Solution

by:
Simon Butler (Sembee) earned 1500 total points
ID: 39211437
Read up.
That is probably the host that the message was sent through.

Simon.
0

Featured Post

Creating Active Directory Users from a Text File

If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article will help to fix the below error for MS Exchange server 2010 I. Out Of office not working II. Certificate error "name on the security certificate is invalid or does not match the name of the site" III. Make Internal URLs and External…
One-stop solution for Exchange Administrators to address all MS Exchange Server issues, which is known by the name of Stellar Exchange Toolkit.
To efficiently enable the rotation of USB drives for backups, storage pools need to be created. This way no matter which USB drive is installed, the backups will successfully write without any administrative intervention. Multiple USB devices need t…
This tutorial will walk an individual through setting the global and backup job media overwrite and protection periods in Backup Exec 2012. Log onto the Backup Exec Central Administration Server. Examine the services. If all or most of them are stop…

688 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question