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10.18.2007 at 12:36AM PDT, ID: 22901057
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Exchange 2007 Spamming

Asked by The_R0CK in Spam Black Holes, Exchange Email Server, Email Servers

Tags: exchange, 2007

We are having major problems sending email from our Exchange 2007 Server. Our server is appearing on blacklists and our outbound email is being refused. Upon inspection of the Outbound SMTP Queue, I have found literally hundreds of outbound emails, all have "From: <>" and "To:" random email domains. Its clear to me that something is using our Exchange server to send spam, most likely an internal MAPI client, however I am unsure/unable to locate the source of the problem.

Our setup is Exchange 2007 server which also is running Trendmicro Scanmail 8. The exchange server is behind a firewall and has a public IP nat'd to it on port 25. All outbound port 25 traffic is blocked expect from the Exchange IP.

This is a major problem and is effecting our business, therefore I am awarding 500 points to whoever can help me resolve this issue quickly...Start Free Trial
[+][-]10.18.2007 at 12:59AM PDT, ID: 20099277

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[+][-]10.18.2007 at 01:03AM PDT, ID: 20099283

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[+][-]10.18.2007 at 01:06AM PDT, ID: 20099287

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[+][-]10.18.2007 at 01:13AM PDT, ID: 20099315

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[+][-]10.18.2007 at 01:24AM PDT, ID: 20099353

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[+][-]10.18.2007 at 01:26AM PDT, ID: 20099356

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[+][-]10.18.2007 at 01:26AM PDT, ID: 20099359

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[+][-]10.18.2007 at 01:29AM PDT, ID: 20099368

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[+][-]10.18.2007 at 01:38AM PDT, ID: 20099403

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[+][-]10.18.2007 at 01:40AM PDT, ID: 20099411

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About this solution

Zones: Spam Black Holes, Exchange Email Server, Email Servers
Tags: exchange, 2007
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Solution Provided By: grblades
Participating Experts: 4
Solution Grade: A
 
 
[+][-]10.18.2007 at 02:07AM PDT, ID: 20099509

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[+][-]10.18.2007 at 02:20AM PDT, ID: 20099540

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[+][-]10.18.2007 at 02:25AM PDT, ID: 20099550

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[+][-]10.18.2007 at 02:34AM PDT, ID: 20099568

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[+][-]10.18.2007 at 02:35AM PDT, ID: 20099570

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[+][-]10.18.2007 at 02:41AM PDT, ID: 20099584

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[+][-]10.18.2007 at 11:44AM PDT, ID: 20103509

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[+][-]10.24.2007 at 06:13AM PDT, ID: 20138494

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