Solved

Exchange 2003 Outbound Queueing

Posted on 2013-06-06
7
304 Views
Last Modified: 2013-06-18
I have a mail server run on Exchange 2003 Service Pack 2, on a Microsoft Server 2003 32bit.  I am having a issue when some messages are getting stuck in the outbound queue.  This issue is very intermittent, and only happens to messages that are leaving the organization.  The organization is email security solution provided my McAfee Saas to secure incoming filter out spam, and check all emails that are going outbound and encrypt any emails that are going outbound.  

There is a SMTP Connector setup to McAfee Saas to forward all emails through their system and send it out our behalf.

When I check the queues, I seem some messages stuck in a retry.  When I look up the message in Message tracking center, it looks like the system never tried to trigger the final hop.  I have contacted McAfee and they are not seeing any history of the messages coming to their end.  It look like the message never leaves the system.

I attached a sample screenshot of to emails that were tracked one was successfully sent and the other was not.  Both emails were sent by the same user and sent to the same recipient.

The issue is intermittent not all messages are getting stuck only some, and appears to be be random.
Successful-Suck-Email.pdf
0
Comment
Question by:hinduguy
  • 4
  • 3
7 Comments
 
LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39227527
I would start by recreating the Connector. Ensure that you don't have a smart host on the SMTP Virtual Server as that can cause problems.

Finally, if you have file level AV software on the server, make sure it has the correct exclusions for Exchange. If it is McAfee, ensure their SMTP scanning feature is disabled.

Simon.
0
 

Author Comment

by:hinduguy
ID: 39235445
I have updated Trend Micro to exclude the Exchange from the file level scanning, and remove the smart host value from the SMTP Virtual server.  I have not recreated the Connector, because I not sure why the connector would need to be re-created?

I have removed the queued messages with NDR and not I don't see any messages queuing again.

I am not sure if the issue is really resolved, but why would the messages not get delivered out?  They are just stuck in retry?  It does not seem like they are actually trying to send again.
0
 

Author Comment

by:hinduguy
ID: 39236047
I am getting some emails stuck in the queue now and they are all going to external users and number or recipients on the email message and there is a warning in the event log from the exchange server:

 Event Type:      Warning
Event Source:      MSExchangeTransport
Event Category:      Connection Manager
Event ID:      4006
Date:            6/10/2013
Time:            2:47:29 PM
User:            N/A
Computer:      Computer
Description:
Message delivery to the host 'IP ADDRESS' failed while delivering to the remote domain  'DNS' for the following reason: Unable to open the message for delivery.


For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: e0 02 04 c0               à..À
0
Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39240673
That usually means AV is still scanning something it shouldn't be.

Simon.
0
 

Author Comment

by:hinduguy
ID: 39241286
Ok I will remove the agent from server for a day.
0
 

Author Comment

by:hinduguy
ID: 39242096
I removed the AV Agent, and I get the same error message and I unfreeze the message for delivery.
0
 
LVL 63

Accepted Solution

by:
Simon Butler (Sembee) earned 500 total points
ID: 39243022
0

Featured Post

Do email signature updates give you a headache?

Do you feel like you are constantly making changes to email signatures? Are the images not formatting how you want them to? Want high-quality HTML signatures on all devices, including on mobiles and Macs? Then, let Exclaimer solve all your email signature problems today.

Question has a verified solution.

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

Disabling the Directory Sync Service Account in Office 365 will stop directory synchronization from working.
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
In this video we show how to create an email address policy in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.:  First we need to log into the Exchange Admin Center. Navigate to the Mail Flow…
To add imagery to an HTML email signature, you have two options available to you. You can either add a logo/image by embedding it directly into the signature or hosting it externally and linking to it. The vast majority of email clients display l…

911 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

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now