Monday, March 3, 2008

Error: 553, 0x800CCC79

This is because Outlook Express at start-up automatically logs on to the
server to download email prior to sending any email thereby establishing the authorisation of the sender. Similarly, if you send your email by doing a full Send/Receive in Outlook Express you should not experience any difficulty. If you wish to be able to send messages without doing a full Send/Receive or if you wish to have Outlook Express active on your PC prior to connecting then..
Start Outlook Express and go to Tools menu option and select Accounts. Click on your account and choose Properties. Select the Servers tab. At the bottom of this tab in an area titled "Outgoing Mail Server" check the check box titled "My server requires authentication". Save the new setting and this will ensure that the next time you use Outlook Express it will authorise itself to the mail server in all circumstances thereby avoiding this error message.

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