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04.08.2008 at 10:25AM PDT, ID: 23305511
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9.0

User email is being used to send spam

Asked by Raynovac in Anti-Spam Email Software, Exchange Email Server, Simple Mail Transfer Protocol (SMTP)

Tags: , , ,

I have a user@domain.com who is receiving 5-6 NDRs for email addresses in russia, brazil and more.

I have check for any open relays using http://support.microsoft.com/default.aspx?kbid=324958

I don't have any open relays currently.  Also, I have checked the queues and they look normal.

A couple of examples are below:

From: System Administrator
Sent: Tuesday, April 08, 2008 10:00 AM
To: User@mydomain.com
Subject: Undeliverable: Èäåàëüíûé âàðèàíò

Your message did not reach some or all of the intended recipients.

      Subject:      450;L=K9 20@80=B
      Sent:      4/8/2008 8:13 AM

The following recipient(s) could not be reached:

      schranz@inode.at on 4/8/2008 10:00 AM
            The message could not be delivered because the recipient's mailbox is full.
            < viefep19.chello.at #4.2.2>


_____________________________________________________________________________
From: System Administrator
Sent: Tuesday, April 08, 2008 9:03 AM
To: user@mydomain.com
Subject: Undeliverable: Breitling

Your message did not reach some or all of the intended recipients.

      Subject:      Breitling
      Sent:      4/8/2008 7:05 AM

The following recipient(s) could not be reached:

      a.jbosman@adrs.co.jp on 4/8/2008 9:03 AM
            The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            < v-mta72.nsk.ne.jp #5.0.0 X-Postfix; host v-mta55.nsk.ne.jp[219.99.208.74] said: 550    <a.jbosman@adrs.co.jp>: Recipient address rejected: User unknown in virtual    alias table (in reply to RCPT TO command)>

__________________________________________________________________________________
From: System Administrator
Sent: Tuesday, April 08, 2008 9:03 AM
To: user@mydomain.com
Subject: Undeliverable: Undeliverable mail: "0<>65==0O AB0B8AB8:0  >AA89A:>9 $545@0F88
Your message did not reach some or all of the intended recipients.

      Subject:      "0<>65==0O AB0B8AB8:0  >AA89A:>9 $545@0F88
      Sent:      4/7/2008 11:26 PM

The following recipient(s) could not be reached:

      info@autofara.ru on 4/8/2008 5:33 AM
            The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            < neko.compo.ru #5.0.0>
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[+][-]04.08.2008 at 10:32AM PDT, ID: 21307590

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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[+][-]04.08.2008 at 10:33AM PDT, ID: 21307603

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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[+][-]04.08.2008 at 10:55AM PDT, ID: 21307803

Often, when Experts are collaborating with members who have asked questions, they will request additional information about the problem. Askers respond with an author comment like this one.

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[+][-]04.08.2008 at 11:06AM PDT, ID: 21307886

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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[+][-]04.08.2008 at 11:11AM PDT, ID: 21307932

Often, when Experts are collaborating with members who have asked questions, they will request additional information about the problem. Askers respond with an author comment like this one.

Start your 7-day free trial to view this Author Comment or ask the Experts your question.

 
[+][-]04.08.2008 at 11:14AM PDT, ID: 21307967

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

Start your 7-day free trial to view this Expert Comment or ask the Experts your question.

 
[+][-]04.08.2008 at 11:17AM PDT, ID: 21307989

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

Start your 7-day free trial to view this Expert Comment or ask the Experts your question.

 
[+][-]04.08.2008 at 12:02PM PDT, ID: 21308468

Often, when Experts are collaborating with members who have asked questions, they will request additional information about the problem. Askers respond with an author comment like this one.

Start your 7-day free trial to view this Author Comment or ask the Experts your question.

 
[+][-]04.08.2008 at 12:10PM PDT, ID: 21308541

View this solution now by starting your 7-day free trial. Setting up your free trial is quick, easy, and secure. We will return you to this solution, unlocked, when you're done.

 

About this solution

Zones: Anti-Spam Email Software, Exchange Email Server, Simple Mail Transfer Protocol (SMTP)
Tags: Microsoft, Exchange, 2003, User email is being used to send spam
Sign Up Now!
Solution Provided By: idcsnelson
Participating Experts: 3
Solution Grade: A
 
 
[+][-]04.08.2008 at 12:23PM PDT, ID: 21308672

Assisted solutions are selected by the member who asked the question as a comment that contributed to their question's solution.

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