Common errors: No Relaying Allowed in Outlook 2007

How to resolve the error ‘No Relaying Allowed’ in Outlook 2007

DataYard servers require SMTP authentication to allow messages through our server. This setting must be used when attempting to send messages using smtp.donet.com.

Associated error message:

The message could not be sent because one of the recipients was rejected by the server. The rejected email address was ‘<[email protected]>’. Subject: ‘<Test>’, Account: ‘<Test>’, Server: ‘<smtp.microsoft.com>’, Protocol: SMTP, Server Response: ‘550 <[email protected]>… Relaying Denied’, Port: 25, Secure (SSL): No, Server Error: 550, Error Number: 0x800CCC79

To resolve this issue, follow these steps for Outlook 2007:

  • From the main screen select Tools
  • Then, select Account Settings from the drop down list
  • Click View/Change Existing
  • Select More Settings (bottom right hand corner)

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  • Under the tab labeled Outgoing Server choose the option ‘My Outgoing Server (SMTP) requires Authentication’ and the sub-option ‘Use same settings as my incoming mail server’

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  • Hit ‘OK’ to exit, and you should now be able to send messages.

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