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ssmith1123Flag for United States of America

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I'm having email bouncing back undeliverable from one client machine

I'm having problems with one client machine sending emails. He has had 5 different messages bounce back undeliverable. See errors below. I have had this problem on many machines in the past until I set up reverse DNS with my ISP everything has been fine until now. I checked my IP (65.45.15.52) to see if its on any blacklists and found nothing. Can you give me any suggestions where to look next?
Thanks.
I found that my Exchange 2003 Server wasn't automatically updating it's anti-virus. I fixed that issue and have sent an email to one of the Hotmail accounts and haven't had it bounce back as of yet.


      'xxxxx  xxxx' on 2/7/2008 5:24 PM
            554 5.7.1 <c_xxxxx@yahoo.com>: Recipient address rejected: Access denied

      'xxxxx  xxxx' on 2/7/2008 5:24 PM
            554 5.7.1 <xxxxxxxx@comcast.net>: Recipient address rejected: Access denied

            There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
            <XXXXXX.xxx.com #5.5.0 smtp;550 OU-002 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an email/network admin please contact your E-mail/Internet Service Provider for help. Email/network admins, please visit http://postmaster.live.com for email delivery information and support>

            <XXXXX.xxx.com #5.5.0 smtp;550 OU-002 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an email/network admin please contact your E-mail/Internet Service Provider for help. Email/network admins, please visit http://postmaster.live.com for email delivery information and support>


            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <XXXMAIL.xxx.com #5.7.1 smtp;550 5.7.1 <xxxxx  xxxxx@gm.com>... Mail from 65.45.15.62 refused due to zombie blacklisting, sender is <xxxx xxxxx@www.com>>

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maxis2cute

the last one is being rejected, it says you are blacklisted.

the prior two say you are spam

and the prior two before that are rejecting you.

i would look at the link from postmanster.com, tht will tell you the precise reason
Getting MX record for mail.dqs.com. (from local DNS server, may be cached)...   There is no MX record for mail.dqs.com.!  That's bad.
Checking for an A record... Got it!

Host Preference IP(s) [Country] mail.dqs.com. 0 65.45.15.52 [US]


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Arty K
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Nopius, Thanks.

I just did a quick check on then mail.  Never went back to the domain.