Err Code Ox800CCC80 cannot send emails but can receive.

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Recently installed Office business 2010. Now cannot send emails they remain in Outbox

Brian Tillman

Senior Member
Make sure your SMTP server settings (server name, port, encryption) are correct and that you are properly authenticating to the outgoing server.


Vinay - G

What is the type of email account configured in outlook 2010(POP3, IMAP, Exchange or outlook connector)?

This error message is due to authentication to the outgoing server.

If you have set a POP3 account in outlook then click on file->account settings->click on the account->change->more settings->Outgoing server

Check “My outgoing server requires authentication” and Select Use the same settings as my incoming mail server and check if that helps.
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