Some of users are recieveing NDR .."Your message did not reach some or all of the intended recipients. Subject: The following recipient(s) could not be reached: System Attendant mailbox is full.

Some of users have started getting a lot of these.  Only seems to be Internal issue. and the messages are actually being delivered.  I have  checked the mDBOverardQuotaLimit attribute & the value is 100000.  Any help will most appreciated


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

      Subject:      
      Sent:      14/08/2014 07:58

The following recipient(s) cannot be reached:

      System Attendant on 14/08/2014 07:58
            The message could not be delivered because the recipient's mailbox is full.
            <xxxxxxxs.xxxxxxxxxxx.net #5.2.2>
Parmjit SamplayAsked:
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rhandelsCommented:
I believe the error message says it all. The one receiving the mail has a full mailbox. If i'm correct though internal mail will always be delivered even if the other users mailbox is full. Not quite sure about that though.
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Parmjit SamplayAuthor Commented:
I have checked the affected user's mailbox they have no limit.. and are able to send and receive emails ok.

the NDR actually says the system attendant box is full

System Attendant on 14/08/2014 07:58
             The message could not be delivered because the recipient's mailbox is full.
             <xxxxxxxs.xxxxxxxxxxx.net #5.2.2>
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rhandelsCommented:
It could indeed be the mailbox of system attendant being full. Try checking the following link.

http://blogs.technet.com/b/ehlro/archive/2010/11/01/using-mfcmapi-to-connect-to-the-exchange-system-attendant-mailbox.aspx
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Parmjit SamplayAuthor Commented:
thank you I will give that a go.
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Parmjit SamplayAuthor Commented:
Hi

our exchange 2003 server has stopped encrypting outbound emails.  There has been no changes to TLS configuration on the connector and the SMTP certificate is valid. Could this be caused by the system attendant issue we currently have with the same server?
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rhandelsCommented:
Sorry m8, this is out of my reach... Hopefully someone else can help.
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