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Exchange error - 4.7.1, what going on?

My user try to send mail to one recipient, and get the replied mail as follows:

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

 Subject:      FW: GSI Executive Search Terms of Business
Sent:      8/19/2010 11:06 AM

The following recipient(s) could not be reached:

  usera@usera.com on 8/19/2010 5:10 PM
  You do not have permission to send to this recipient.  For assistance, contact your system administrator.
  <myexchange.email.com #4.7.1 smtp;450 4.7.1 Client host rejected: cannot find your reverse hostname, [a.a.a.a]>


Any thing wrong with my reverse IP?
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Balack
Asked:
Balack
  • 2
1 Solution
 
Alan HardistyCo-OwnerCommented:
You don't have Reverse DNS setup on your fixed IP address, so please call your ISP and ask them to add it.

Reverse DNS should be in the format of mail.yourdomain.com and should match the Fully Qualified Domain Name your server is advertising itself as when sending mail.
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endital1097Commented:
check the delivery options for the user and the accept messages from setting
get-mailbox user | ft accept*,require*
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Alan HardistyCo-OwnerCommented:
You don't have Reverse DNS setup on your fixed IP address, so please call your ISP and ask them to add it.

Reverse DNS should be in the format of mail.yourdomain.com and should match the Fully Qualified Domain Name your server is advertising itself as when sending mail.
0
 
BalackAuthor Commented:
Good
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