microsoft office

users unable to send out emailsto particular people error message, "The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            < mail-08.jhb.wbs.co.za #5.0.0 smtp; 5.1.0 - Unknown address error 550-
IT_TechnoAsked:
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bitMASTERSCommented:
Also, mxtoolbox.com reports that mail-08.jhb.wbs.co.za no connection could be made for a mail test because the machine actively refused it.  Definitely a recipient issue.
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Shreedhar EtteCommented:
Post the complete bounce back message.
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VenabiliCommented:
The message is clear, isn't it?
The address that the mail is attempted to be sent is generally a bad address for some reason

Now - that message should be a bit longer so can you post the full message so we can see the reason and start working from there?
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IT_TechnoAuthor Commented:

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

      Subject:   Contempo ad material
      Sent:      2010/03/26 12:15 PM

The following recipient(s) could not be reached:

      tiffaneec@dbn.caxton.co.za on 2010/03/26 12:16 PM
            The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            < mail-08.jhb.wbs.co.za #5.0.0 smtp; 5.1.0 - Unknown address error 550-'Rule imposed mailbox access for tiffaneec@dbn.caxton.co.za refused' (delivery attempts: 0)>



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

      Subject:   Contempo ad material
      Sent:      2010/03/26 12:15 PM

The following recipient(s) could not be reached:

      debbiev@dbn.caxton.co.za on 2010/03/26 12:16 PM
            The e-mail system was unable to deliver the message, but did not report a specific reason.  Check the address and try again.  If it still fails, contact your system administrator.
            < mail-08.jhb.wbs.co.za #5.0.0 smtp; 5.1.0 - Unknown address error 550-'Rule imposed mailbox access for debbiev@dbn.caxton.co.za refused' (delivery attempts: 0)>



this is the complete error message
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bitMASTERSCommented:
There are no MX records for dbn.caxton.co.za
You need to verify the addresses.
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IT_TechnoAuthor Commented:
i am able to send emails to this email account .
i think it might be isa blocking it aswell , we will try and make the changes as those links suggest .
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