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07.09.2008 at 11:39AM PDT, ID: 23551308
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SMTP problems with sbcglobal.net users - mail sent but not received, no NDR

Asked by PaulSWT in Simple Mail Transfer Protocol (SMTP), Exchange Email Server

Tags: e-mail problems with sbcglobal.net users

Operating System:  Microsoft Windows Server 2003 64-bit
Exchange:  Standard 2007

We are having problems sending e-mail to sbcglobal.net users.  I have checked the mail flow from e-mail messages, and everything looks good.  We get a reply from the sbcglobal.net server, and it shows the e-mail sending OK to the specified user.

The problem is, the user never receives the e-mail.  I have bent over backwards trying to contact AT&T/SBC Global about this issue, but they can't seem to help.  Their admins keep asking for an NDR message, or some error message... but there is none... the e-mail successfully transmits (according to my logs).

Does anyone have any idea what could be going on here?  It looks as though the sbcglobal.net server accepts the e-mail, then swallows it.

Thanks for any help!Start Free Trial
 
Keywords: SMTP problems with sbcglobal.net us…
Title
1 NDR
2 NDR Attacks
3 Disabling NDR's on Exchange server
4 After exchange NDR Attack
5 Exchange 2003 NDR held until serv…
6 No NDR
 
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[+][-]07.09.2008 at 11:55AM PDT, ID: 21967014

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[+][-]07.09.2008 at 11:59AM PDT, ID: 21967073

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[+][-]07.09.2008 at 12:44PM PDT, ID: 21967534

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[+][-]07.09.2008 at 01:07PM PDT, ID: 21967772

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[+][-]07.09.2008 at 01:22PM PDT, ID: 21967932

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About this solution

Zones: Simple Mail Transfer Protocol (SMTP), Exchange Email Server
Tags: e-mail problems with sbcglobal.net users
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Solution Provided By: mwecomputers
Participating Experts: 1
Solution Grade: A
 
 
[+][-]07.09.2008 at 01:26PM PDT, ID: 21967976

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[+][-]07.09.2008 at 02:37PM PDT, ID: 21968638

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