Non-deliverable email to subdomain- cinci.rr.com account

15 pts.
Tags:
Microsoft Exchange 2003
Microsoft Exchange errors
NDR
Non-Delivery Reports
Multiple users in the network are replying to someone outside the network or sending original emails and the emails are not being delivered. Non-deliverable reports are being generated. Exchange 2003 SP2 It is occuring with the subdomain email account *@cinci.rr.com specifically as multiple outgoing emails to this are not being submitted to the smtp address of that domain. The local smtp is attempting to send, but it is just not getting there. 1. Is there something about sending to a subdomain email address that i am not getting with regard to settings on my internal exchange? 2. Or is that subdomain email account possibly blocking mail coming out of my Exchange because of some filtering/spam prevention process? I have used web-based email to send to this sub-domain and it gets there. This would eliminate my domain from being on a blacklist I would presume. Also, emails with attachments are not getting to recepients outside the network. I have looked at outlook settings and exchange settings and the type of attached file i am sending is not being blocked. .jpg & pdf files are the type i send. Any suggestions on either issue?

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  • Technochic
    What is the NDR they get specifically?
    57,010 pointsBadges:
    report
  • Spencerbom
    This is an automatically generated Delivery Status Notification. THIS IS A WARNING MESSAGE ONLY. YOU DO NOT NEED TO RESEND YOUR MESSAGE. Delivery to the following recipients has been delayed. da;kd;akjdka32@cinci.rr.com .txt message Reporting-MTA: dns; domain.com Final-Recipient: rfc822;blank@cinci.rr.com Action: delayed Status: 4.4.7 Will-Retry-Until: Wed, 22 Oct 2008 20:46:41 -0400 X-Display-Name: blank
    15 pointsBadges:
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