Weird undeliverable - HELP

Posted on 2005-05-11
Last Modified: 2008-01-09
Hi there

We have a redundant ISP we use when needed.  However, I just got one of the strangest undeliverables I've ever seen.  BROADVIEWNET.NET is our redundant ISP.  We host our own exchange server in house.  I switched back to our main ISP and asked the person that got this message to try to try sending again.  So I may be able to add more info.  

Our R-DNS record for the mail server is listed.  

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

      Sent:      5/11/2005 8:25 AM

The following recipient(s) could not be reached:

      RECEIPIENT NAME (E-mail) on 5/11/2005 8:26 AM
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <OUR EXCHANGE SERVER #5.7.1 smtp;554 5.7.1 <[]>: Client host rejected: Please use your ISP's SMTP relay! AN00255>

Luckily this is a personal email, so I can have them help me trouble shoot.

Question by:jmerulla
    LVL 2

    Author Comment

    Update.  It worked going through my main ISP.
    LVL 2

    Author Comment

    It was a DNS/ RDNS issue.  I had my firewall configured going out over one IP and in over another.

    Accepted Solution

    Question Closed, 250 points refunded.
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