RE: Emails Not being delivered



Hello Alex,

Thank you for posting in the SBS newsgroup.

According to your description, I understand that you encountered two
external emails cannot deliver to the recipients on your SBS 2003 Server.
If I have misunderstood your concern, please don't hesitate to let me know.

To troubleshoot this issue, please answer and perform the following
questions and steps:

1. Are you using the POP3 connector on the SBS 2003 Server? Are you using
a global POP3 mailbox or individual user POP3 mailboxes?

2. As you mentioned, the sender was also able to send to one of our POP3
boxes OK and we got the message. Could I assume the sender sent the email
to your other external POP3 email address (i.e. the ISP host POP3 mailbox)?

3. As you mentioned, The Message Tracking Center in Exchange says that
they failed to deliver to advanced Queue. Could I assume the error message
is "Advanced Queue Failed to Deliver Message"? If not, what's the exact
error message?

4. Please verify if there are some rules or email filters to block this
email on Exchange Server side or client Outlook side.

5. Open the Server Management Console, expand Advanced Management ->
DomainName (Exchange) -> Global Settings -> Internet Message Formats node.
Please confirm whether there is only the "Name: Default, Domain: *" item in
the box, if you have other domain name be listed in the box, please remove
it, and then check the issue can be re-produced.

6. Please remove AV/FW product from the SBS server and test the issue
again. And check whether there're any third party application related to
Exchange/e-mail security (NemX Power Tools, GFI and other third party
application may cause such issue.). If so, please uninstall them.

7. If you use the POP3 connector, please refer to the below information to
enable Diagnostic Logging on POP3 Connector:

1) Click Start, point to Programs, point to Microsoft Exchange, and
then click System Manager.
2) In the left pane, expand the Connectors node.
3) Right-click "Connector for POP3 Mailboxes", and then click
Properties.
4) In the "Connector for POP3 Mailboxes Properties" dialog box,
click Diagnostic Logging.
5) Verify that the "Enable event logging on the services" check box
is selected.
6) Under the Services box, click Delivery Service, and under Logging
Level click Maximum.
7) Click OK to apply changes.
8) Close the System Manager console.
9) Click Start, point to Programs, point to Administrative Tools,
and then click Services.
10) In the left pane, right-click "Microsoft Connector for POP3",
and then click Restart. After the service restarts, close the Services
Management console.

After the problem occurs again, the events of POP3 connector will be
created in Application event log. Please check the Application event log
whether there are any error messages noted on this issue, then paste the
full context in your reply.

8. Please refer to the below steps to enable SMTP logging:

1) Open the properties page of the Default SMTP Virtual Server in
Exchange System Manager.
2) On the General tab, check the "Enable logging" box.
3) Click Properties, click the Extended Properties tab and check all
the boxes on the list.
4) Click OK twice.
5) Stop and restart the SMTP virtual server.
6) Reproduce the issue.
7) Stop the SMTP virtual server.
8) Go to the C:\WINDOWS\system32\LogFiles\SMTPSVC1 folder and check
the latest two (if there are many) log files.

Additionally, I'm glad to provide the below information for your reference:

1. For POP3 connector, when the POP3 Connector is downloading mail
messages, it first will place those messages in the Incoming Mail folder.
When the session is finished, those messages will then have a wrapper
placed on them that includes a header which will contain a local exchange
mailbox e-mail address. The mail is then moved to the
%systemroot%\Inetpub\mailroot\Pickup folder so that the local Exchange
SMTP service can receive the mail messages. If any mail is corrupt or CDO
is otherwise unable to be place the message in the Pickup folder, then it
will be placed in the Failed Mail folder.

2. If you does not use the POP3 connector, when a direct SMTP mail coming
into the SBS Server but the recipient does not exist, the system will send
a NDR to the mail sender, if you configure to send copy of Non-Delivery
Report to administrator, you also receive the NDR. Then the system will
discard the unresolved
recipients email. If the NDR cannot send to the original email sender, it
will be saved on the C:\Program Files\Exchsrvr\Mailroot\Vsi 1\BadMail
folder.


I appreciate your taking the time to perform the tests, if you have any
issues or concerns please let me know. I am glad to be of further help.

Best regards,

Nathan Liu (MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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--------------------
>From: "Alex H" <APH@xxxxxxxxxxxxxxxxxxxxxxxxxx>
>Subject: Emails Not being delivered
>Date: Thu, 30 Jun 2005 18:24:47 +0100
>Lines: 27
>X-Priority: 3
>X-MSMail-Priority: Normal
>X-Newsreader: Microsoft Outlook Express 6.00.2900.2180
>X-RFC2646: Format=Flowed; Original
>X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
>Message-ID: <#KE7AjZfFHA.3692@xxxxxxxxxxxxxxxxxxxx>
>Newsgroups: microsoft.public.windows.server.sbs
>NNTP-Posting-Host: post.modburygroup.co.uk 82.152.16.178
>Path: TK2MSFTNGXA01.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP09.phx.gbl
>Xref: TK2MSFTNGXA01.phx.gbl microsoft.public.windows.server.sbs:132147
>X-Tomcat-NG: microsoft.public.windows.server.sbs
>
>Hi,
>
>Two emails sent from the same address, to different recipents on our
SBS2003
>Exchange server failed to deliver today. They were sent at diferent times
>(one am and one pm). The incoming mailboxes have been receiving other
>emails all day long quite happily. The sender was also able to send to
one
>of our Pop3 boxes OK and we got the message.
>
>I am trying to figure out what is the problems, and need some help please
>1. The Message Tracking Centre in Exchange says that they failed to
deliver
>to advanced Queue. I am not quite sure what this is?
>
>2. I am assuming that as the emails are nowhere to be found on the system,
>that they are being deleted. The sender says that they are not getting a
>NDR - so I suspect that something in my Exchange set up is not right.
What
>would be the standard procedure in the evcent that Exchange doesn't like
an
>email for some reason. Should it be stored somewhere? What settings am I
>likely to need to change?
>
>3. Are there any logs that I can look at, which will give me an indication
>as to why we did not receive these two messages
>
>Many thanks in advance
>
>Alex
>
>
>

.



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